Google의 Pixel폰과 삼성


아마 이 기사가 오리지널일거다

Google’s New Phones Target Apple But They Could Hurt Samsung More

한국 기자가 이 기사를 쓴 바탕이..

http://news.mk.co.kr/newsRead.php?no=696886&year=2016

.. 오리지널 기사에 왜 구글의 픽셀 폰 발표가 애플보다는 삼성이 주 타겟이 될거라고 이유가 잘 나와 있는데.. 나는 좀 다른 이유를 들고 싶다.

1. 구글과 삼성은 동료이자 묘한 긴장관계가 있는 사이였다.

    내가 안드로이드의 소스가 무늬만 오픈소스일 뿐, 실제는 오픈 소스의 정신을 담지 못하는, 오픈 소스 추종자들을 아이폰 쪽에서 분리해 내려는 마케팅용 포석일뿐이라고 생각한 것은, 삼성 전자의 IT 사업부, 즉 셀폰 사업부에 있는 동기를 미국에서 만난 후다.

   삼성에서 뭔가 통신용인가 프레임워크를 만들어서 커밋을 하려고 했는데, 구글에서잠깐했다는 거다. 구글 핸드셋 얼라이언스의 멤버 회사들에게 해도 되는지 물어야 한다는게 변명이었다는 것이다. 뭔 오픈 소스가 그런가? 어느 정도 괜찮다 싶으면, 추가해도 되는 것인데.. 즉 힘이 없는 일반 개발자 (안드로이드 정도 소스에 커밋을 하는 사람들은 대개 회사 소속이다. 한국인으론 삼성전자 핸드폰 사업부 사람들이 꽤 있다.)들을 끌어 들이고 (개발에 도움이 된다기 보다는안드로이드는 개방적이래!’라는 분위기를 만들어내기 위한), 실제론 지네들이 통제권을 갖기 위한.

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  그래서 삼성도 다른 OS를 생각하기 시작했다는 것이다. 근데 한국의 다른 기사에 나온 것처럼(저 링크건 기사 말고) 바다는 이런 흐름 속에서 나온게 아니다. 바다OS는 내가 삼성에 있을 때 이미 있었다. 그걸 일반에게 발표한게 사람들이 알고 있는 그 시점이고.

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  즉 삼성은 삼성이 넣고 싶어하는 것을 못 넣는 안드로이드와 구글에 좀 심사가 불편했었고.. 구글은 구글 나름대로 그랬다.

.구글 입장에선 삼성의 마케팅이 항상 이런 저런 매체에서 거론되었다. 즉 안드로이드를 사용하는데 삼성의 광고엔 갤럭시 폰이 안드로이드를 사용한다는 말이 없다는 거다. 즉 삼성 폰이 안드로이드 플랫폼에선 제일 많이 팔리는데, 팔리는 만큼 안드로이드의 홍보 효과나 위상 확립이 미미하다는거다.

구글 입장에선 OS 만들어서 삼성 좋은 일 시킨거다.

에이.. 누가 갤럭시에 쓰이는 OS가 안드로이드인걸 몰라 하지만, 그건 오산이다. 의외로 모르는 이들이 많다한다.

또 하나의 문제는 삼성 빼곤 이익이 안남는 다른 제조사들이다. 구글의 개방형 플랫폼을 선택해서 다 잘될 줄 알았더니 삼성외엔 안되는 거다. 거기에 제조사들의 불만이 꽤 있었다 한다. 근데 잘 팔리고 안팔리는 것은 구글의 문제가 아니라 그 제조사들의 문제이지.. 근데 구글입장에선 자기네 진영에 들어온 제조사들이 전반적으로 잘 되어야, 결속력이 강해질텐데 그게 안되니 고민이었다고 한다.

또 다른 문제는 지나치게 삼성에 치우침으로 인한 위험의 증가이다.
이 문제는 요번 갤럭시 7 및 같은 기반의 폰의 화재/폭발로 증명이 되었다.
한 회사에 너무 의존할 경우, 그 회사가 흔들리는 날이 오면, 안드로이드 전체가 위험해진다. 이건 애플도 마찬가지지만 애플은 지네 혼자 하드웨어, OS 다 하니, 망해도 지네 책임이니 별 문제 아니지만, 구글처럼 OS는 구글이, 폰 제조는 다른 회사가 하는 경우에선, 그 제조업체들의 문제로 구글이 타격을 입을 수 있으니 문제가 된다.
요번에 그렇게 많이 팔렸다는 갤럭시 S7, Note 7, Edge 7 등이 다 터졌고 반품이 되었다. 이게 안드로이드의 시장 점유율을 얼마나 정체 시켰을까 생각해 보자. 구글로서는 심각하다.

삼성과 구글은 이런 관계로 얽혀져 있는 거다.

2. 삼성의 위협

  삼성은 바다오 타이젠 OS를 사용하겠다는 말을 간간이 흘렸다. 이건 구글로써는 무서운 이야기다. 물론 다른 업체를 선택해도 그만이지만, 당장 삼성이 파는 안드로이드 기기의 점유율이 곧 구글의 영향력이란 등식하에서 그것에 균열이 잠시라도 간다면대처를 어떻게 해야 할까에 대한 안해도 될 고민을 구글에게 안겨다 준다.
삼성은 앞에서 말한 이유로 탈 구글, 혹은 실제론 탈 구글이 아니더라도우리 편의 안봐주면 재미없어라는 메시지를 보내는 카드로 바다와 타이젠을 이용해 먹는거다. 여기에 더해서 요새 중국 회사들도 비슷한 움직임을 보이는 듯하다. 심지어 삼성의 타이젠을 쓰겠다고 하는데도 있다. 중국입장에선 자체 시장이 엄청 크니, 이걸 왜 미국 회사 좋은 일 시켜?라는 생각을 할 수 밖에 없다. 자체 OS를 쓸 충분한 이유와 시장을 가지고 있다.

이런 것은 구글에는 고민거리이고 해결해야만 하는 지점이다.

3. 구글의 독주

   삼성의 입장에서도 모바일의 핵심인 OS를 구글이 가지고 있다는 것은 고민이다. 뭘하던 끌려갈 수 밖에 없는 것이다.삼성으로선 협박용이건 아니건, 자체 OS라는 탈출구를 생각해야만 한다. 하지만 자체 OS 개발 능력이 있는가? 아시다시피 바다와 타이젠은 리눅스이다. 그걸 가지고 자체 OS 만들었다고 하는 것은 좀 아니라고 본다. 아니면 구글이나 Palm처럼 겉 껍데기라도 완전히 새롭게 만들던가
즉 실력이 아직 모자라다. 하지만 어쩔 수 없다. 만들어야지. 구글 좋은 일만 시킬 수 없지 않나?

이런 것들의 종합으로 구글은 구글대로, 삼성은 삼성대로 다른 카드를 만지작거리고 있었던 것으로 안다.
.. 구글이 자체 휴대폰을 만든다고 하자. 지금까지 Nexus는 대량 판매용이라기 보단 레퍼런스용이었다. 그리고 개발자들의 개발 타겟.
적어도 이렇게 만들면 된다라고 하드웨어 업체한테 말하는 것이자, 소프트웨어 개발자들에겐 적어도 여기에 맞추면 어느 정도 호환성이 있지 않겠니?라는 것.
근데 이제 직접 구글이레퍼런스 폰이 아닌 판매용 폰을 만든다. 물론 시작은 Verizon 독점이다.
왜 버라이존일까? 미국에서 제일 큰 네트워크를 가진 회사이다.
즉 버라이존을 잡으면 상당한 점유를 하게 되어 있다는 것이다.

🍎 고객들은 애플에 충성도가 높다. 그리고 안드로이드 폰 중에서 완성도가 그래도 높았던게 삼성 폰이라면이번 구글 픽셀 폰의 발표는 어느 회사에게 더 치명타를 입힐까? 더군다나 앞에서 살펴본 것처럼, 구글도 삼성 하나에 의존하는게 탐탁치 않게 생각했는데.. 이번 픽셀 폰의 발표.. 진짜 목표엔, 폭발로 위상이 떨어진 삼성의 안드로이드 시장에서의 비중을 낮출 수 있는 카드로 사용하지 않겠나?
구글이 의도했건 의도하지 않았건, 픽셀은 분명히 그런 쪽으로 작용할 것이다.

삼성에게 이건 강한 펀치로 작용할 것이다. 단순히 판매에서 그런게 아니라, 구글의 장기 전략 로드맵에서 그런 수순으로 가는게 옳게 보이니 더 그러하다. 즉 구글이 의도하지 않았더라도, 이건 구글이 삼성에게 날리는 핵펀치다.

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Sky viewed from inside of a well…


All Unix are not created equal.

Usually chmod is for changing rea/write/executable bit for users/others/group for folders and files.
however, on Debian Linux, it’s usermod.

I remember that I guided student at my graduate school for Unix.
I told them, “Although you are quite sure of Unix command, always look up MAN page to make sure.”
There was a guy who think he knew Unix very well and didn’t listen to me. He issued “ln -s …” command to make a link file.
However, HP Unix and SunOS were different on that.
One had “ln -s <source> <target>” while the other had “ln -s <target> <source>”.
I don’t remember which one is which. Anyway he ended up deleting all files while doing that. He used *.

When I joined the company I work for, I heard that my XXXX called someone to make him give me some repository info and told “he doesn’t know Unix, so please explain him well.”
Thankful.. but I thought he was very near-sighted.
There was reason why He thought so. I didn’t use command line version of svn when being interviewed or some point of time. When he asked me if I knew how to use it, I answered, “I know, but I have to look up MAN page.” He took it as an excuse? or deception to hide that I didn’t know Unix.
Most people who are from India, Russia, US and Britain tended to think as such.

It means that they didn’t have broad experience in Unix and whatever they are talking about for the situation.

The reason is because of this.. I have used CVS and Subversion a lot. However, I also used Git, Mercurial, Bazzar and so on for open source projects.
What’s confusing was that.. between Subversion and Git or Subversion and Mercurial, or Git or Mercurial, pull and fetch are different, although they use the same ‘word’. Because I have used all of those, and once I started to use other than Subversion, I relied on GUI frontend of those programs rather than CLI version to minimize mistake. Also, as I said above, I know that often some very common Unix command doesn’t exist on one specific platform. Or even though it exists, sometimes what they do is different.
ifconfig is also one of such example.

Because I know that I always look up MAN page first. It doesn’t take long time. Because I already know what they are, i can skip most of those contents and just confirm what command is the one I really wanted.

My xxxx didn’t know such thing. He only seemed to know the Unix of Mac OS X.

How different Slackware, RedHat, Debian, Ubuntu, Mandrake were?
Also BSD Unix and AT&T Unix are different.

What’s funny about western people is that they don’t respect the person whom they talk to first, and tend to think that they know more than the other and look down on.
However, how can a frog in a small well can measure how big outside of the well is.

Open letter to Apple


Questions
1. Why didn’t Apple reduce the price of 3.5mm earphone when they announced a lightning earphone? They have the same price, $29.99.
2. Apple suffered decreased sale of Mac. Do they know why their Mac becomes less attractive?
   – No meaningful update for long period of time.

   – No user upgradable memory and storage devices. Why should users pay more up-front after estimating the growth of needs in a few years? Compare prices of memory and SSD/HDDs nowadays on Amazon. Isn’t it better for users to replace memory and storage devices when they need more?

   – By making batteries not replaceable, Apple could use every inch of their internal space for filling up with batteries. But isn’t it better to have standardized battery pack and made it user replaceable? 

  – A few years ago, batteries, memories and storage devices were user-replaceable and it was the best in the industry. Computers are different from phones. Why does Apple people cripple Mac and make it less attractive?
  All of above are why Apple’s Mac becomes less attractive.
3. When they were almost out-of-business, they aggressively accepted X-Windows, Unix ( well.. OS X is.. ) and ‘research market’. They closed price gaps between Mac and PCs although Mac was still more expensive than PCs, the price gap was narrowed noticeably. 

Now, after Apple made a lot of money and put those in their pocket, they started not to care of those. 
4. Nowadays even iPhones have 128GB or 256GB or storage devices. Well, among those 3GB are said to be ‘main memory’ ( for the latest iPhone 7 Plus )

However, take a look at MacBooks. There are MacBook and MacBook Airs with 4GB of RAM and 128GB of SSD. What a shame! Nowadays S/W requirement went up even more, so people need more memory. Then shouldn’t the lowest spec is like 8GB of RAM and 256GB or 512GB of SSD?

And 16GB of RAM with 512GB of SSD model should not be that expensive. Those should be around $1000.

8GB RAM with 256GB SSD should be like around $600 to be competitive.

Now, even MacBook Air reaches sub $2000 when you order 8GB with sufficient storage space for installing Windows. Especially if you consider that this is the era of video, you should pay more to get ample amount of storage space.

So, Apple’s usable low spec started around $1800. What the….
There are 2GB or 4GB machine in the Windows world? So, it is OK to have low spec of MacBooks? No way.

Those Windows machines are for kids. You can’t do serious things with those. I’m pretty sure those are answer to Google’s Chromebooks. Are you in the market?
No way, Apple. Be realistic.

Be aggressive when you are still strong. 

There is no more Steve Jobs to come back to Apple when Apple becomes almost out of business this time. 
Apple, make your products attractive when you are strong. If you try doing that only after Apple is endangered to be gone out of business, it becomes hard to make the company alive.

Difference in screen lock handling between iOS and Android


Most people compares one platform with another platform by specs like how much memory they have, how much higher pixel density their screen have, and so on. Well, that’s one measure for comparing ‘Hardware’ but not for ‘Platform’. Even pundits don’t seem to understand the differences between ‘platform difference’ and ‘hardware difference’.

So, to them Android is same to iOS. But to me, they are whole lot different.

I have an iPad mini 2 and Motorola Moto-X gen 2. I’m a person who are on multi platform from PC era and use them very fluently. I’m actually a S/W engineer on Linux ( and other Unix), Mac and Windows ( and iOS).

People I run into in the US are not really multi platform-savvy developers. They write code in their own style. I’m different. I write Mac code which look like Apple’s code, and Windows code like MS’s code. It’s based on the understanding of different philosophy of such platforms. What’s funny is that interviewers who interviewed me tried to judge me with their own standard, but once I worked with them, I found out that they lack such kind of thing, and they are very obstnate and doesn’t admit that there are better ways to do. Usually they think ‘inside of a box’ rather than ‘outside of a box’. So, that’s why they don’t learn from Apple’s coding style, MS’s coding style, Google’s coding style and so on. There is no one good solution, but there are reasons why things are written such a way especially with APIs they use.

Then.. those people usually are not good at comparing platforms and stick to ‘hardware spec’ based comparison usually. They will not understand what the humanity means when Steve Jobs said Apple understood the technology and the humanity and it’s good at combining them.

It’s that they consider how people think, how people react, how people behave and so on when they use apps.

For example, on a login web page on iOS, if the virtual keyboard pops up, the web page is slided up to prevent the virtual keyboard doesn’t hide ID and password fields. However, on Android, it usually don’t . They don’t care whether the virtual keyboard hides those fields or not. Usually the keyboard is drawn on top of those fields.

Apple cares such thing. So, they put such behavior in the underlying system, not giving the responsiblility to app developers.

How lock screen works shows such differences. On the both Android and iOS, you can set what minutes later it wil lock the screen.

[Fig. 1] Screen Lock setting on iOS

[Fig.2] Screen Lock setting on Android


However, there are differences.

On Android, if you press the power button or don’t do anything, then it wil lock the screen. To access the home screen, you should unlock it.

However, on iOS, it actually wait for the minutes/seconds you choose whether you hit power button or the iDevice goes to sleep mode automatically due to no access for the given duration of time. So, even though you hit the power button to turn off the screen, if you hit it again, you can immediately access the home screen or the front-most app you were using.

If you need more security, then you can lower the time to wait or you can lock it immediately.

Which one is more convenient to use while provide security? It’s iOS, not Android.

Especially when you wear gloves, it’s very inconvenient to use Android.

There are this kind of differences between iOS and Android. If the engineers only compare hardware spec, they can’t close the gap, although it doesn’t mean that they can’t sell Android phones.(Because there are people who don’t see the differences. Do you thin it’s because it’s not inconvenient? Well, if you think so, think again. )

How to make iOS devices more attractive


This is actually a message to Apple. I’m thinking about sending it to Mr. Cook.

Apple is nowdays struggling in global market and it now has lower market share than Android.

Still their profit share is the more than any one else, and probably it’s still more than 90% globally.

However, iPhone/iPad business is not like TV set business. There should be many developers who want to create apps for iOS. If iOS market is decreasing in terms of market share, more and more developers will make their apps for Android not for iOS. Actually this kind of trend is already started. Previously, serious S/W companies or individual developers didn’t consider Android too seriously. They still did by considering the future of Android, which would eventually catch up the status of iOS. Samsung, which takes the biggest chunk from Android phone market, doesn’t necessarily make as much profit as Apple does. The reason is that they even do promotion like “By Galaxy 7, then we will give you free 32″ TV” or “Get Galaxy 7 and get another one for free”. Or even in S.Korea, I have heard that even the flagship phones like Galaxy 7 becomes ‘free phones’ quickly, which is called “Gong-Cha-phone” or “공짜폰’ in Korean.

So, by considering all of that, Apple’s high profiled people, who decide the future plan on how iPhones should be like, and so on, can still think that it’s still good now. But.. think this way. If small drop of water is leaked, a dam can be broken eventually, because the hole will become bigger and bigger and eventually lots of amount of water will flow through the hole.

Recently there was news saying that Apple lost ground in India too.

In China, their home players now take 2nd~4th position in terms of market share.

Also, due to THAAD, which is to be installed in S.Korea, many Chinese people throwing iPhones away or smashing iPhones on streets as street performance. Why? Apple is an American company!

Anyway, in every angle, Apple faces some big challenge.

Then, shouldn’t Apple make their iPhones or iPad more attractive? It’s also true with their Macs. But let’s talk about iOS devices only.

Unlike Samsung and many other Android phones/tablet makers, Apple doesn’t allow two big things.

  • SD card slot
  • Replaceable battery.

So far, we were OK wth this. However, nowadays I see more and more people try to record video with their iPhones or iPads. However, there is one big problem.(Actually two. But let’s say you can always find an outlet for hooking up your power cord. So, the 2nd factor, ‘replaceable battery’ is gone, at least. But still there will be some situation you don’t find such outlet. Then if the internal battery is discharged, then you can’t shoot video anymore. )

Apple people would think “Ah.. you can buy the 128GB model, which is the biggest at this moment. However, I don’t like that idea. People would bought 32GB or 64GB model at first thinking that it’s sufficient. However, they often forget that iOS device is not only for taking photos and videos. They use it for listening to music, podcast, reading books. Also they use apps like Facebook, Twitter. Both of them now started “Live”. For Facebook it’s “Facebook Live” and for Twitter, it’s “Periscope. There is another big guy.. YouTube. What does it mean? They would leave big chunk of cached data. Then, once-thought-sufficient 64GB iPhone or iPad is not sufficient anymore. How about the 128GB model? It’s just matter of time! They now even allow recording 4K video! ( I wonder if it’s meaningful to watch 4K video on small mobile device’s screen or even on TV set. I know, I know. There are 4K TVs. However, does 1080p full HD TVs look bad suddenly? Well, let’s set aside the fact that there are not many 4K content. I don’t know if 4K content will be introduced more and more, or if it would perish like 3D TV and its content. 2K and 4K were made for big silver screen for theaters, not TVs for home. Big screen in most of living room setup makes me dizzy. Ok. There are 50″ 4K TVs which are OK. But isn’t 1080p content look great on 50” TVs? Why 4K? I know that technology evolves without real good use case often. If you are not film maker, shooting 4K video would not be meaningful. Well.. who knows.. 4K TVs becomes more popular in coming years, and people just shoot 4K video without realizing that TVs installed at their home are not so big to get benefit from 4K. )

Here is a photo which shows how much space you need for shooting video. (From http://www.iphonehacks.com/2015/09/iphone-6s-4k-video-space.html )

open the image in a separate window or tab to see in its full size.

Amount of space needed for shooting video

So, for 720p, 60MB for 1 minute. If you are to shoot 1 hour of lecture, it’s 3600MB or roughly 3.6GB.

For 1080p at 30fps, 130MB for 1 minute. Then for 1 hour, 7800MB or roughly 7.8GB.

Nowadays YouTube takes 1080p 60fps video. Then.. 200MB for 1 minute. It’s 12000MB or roughly 12GB.

Do we need to calculate for 4K?

Considering that you would lots of music, podcasts, photos and so on, I doubt if your iPhone would have sufficient free space for taking video, without removing those. Well, nowadays there are some lighting thumb drive with which you can move those data to the external thumb drive. But, you can’t move apps to the drive, especially if you have lots of apps installed. The Leef thumb drive allows to record video on it…. with their own special app. It means, your Camera app from Apple, iMovie would not recognize the video. You have to move them to the internal storage. Although they put marketing slogan like “Expand your iPhone’s memory space.” But it’s false marketing. It’s not for ‘expanding’ but having another separated storage which any iPhone apps can’t recognize without implementing those apps to recognize the Leef thumb drive. So, if your iPhone has 1GB remained as free space and addd 16GB Leef thumb drive, the space you get for video recording is not 17GB but 16GB ( reduced from 16GB if you consider file system formatting. )Also, you can’t move 4GB of video back to iPhone/iPad to edit with iMovie. You would say, “I can move some audio/video files to the external one and have some more free space.” But what if you record in 1080p at 30fps for 1.30 minutes? Or how about recording in 4k?

Eventually, you will fall into the situation I described so far. Also, it’s not fast enough to transfer files. I have heard that a lighting cable is basically an USB cable with a lighting connector. It doesn’t look like the all-in-one cable, the thunderbolt cable, which allows many different protocols like HDMI, ethernet, SATA, USB, and so on can flow. (Wait! It’s not correct. There is a dongle for iDevices for connecting an HDMI cable. Anyway.. ) Whatever underlying protocol it has, it’s slower than internal SD reader circuitry if it has. Test this with your Mac mini or and MacBooks (Air, Pro) with an SD card reader. It’s faster than puttting the card into SD card reader USB device and connect to your Mac through its USB port. (Whether it’s 3.0 or not. ) In a situation like recording a lecture live, copying to a device like Leef thumb driver can be slow. It’s just better to pop out an SD card and inser another spare blank SD card and keep shooting video. Then you have a chance to move the content in the SD card you just pulled out from your phone to a desktop computer or a notebook computer. (This can be one of many reasons people prefer using a camcorder or a camera with video recording feature.( and with external mic.) 

So, in this setup, current iDevices, which don’t provide an SD card slot, has limitation in shooting video. Well, you can say you can use the Leef thumb drive. But again it’s not for ‘expansion’, but for ‘addition’. If there is a built-in SD reader, it will be possible to handle such situation better. As far as I know, Samsung’s Galaxy phones handles an inserted SD card as ‘expanded memory’ or ‘extended memory’. There is a difference between those if you remember IBM XT and AT era. ‘Expanded memory’ means that the added one is now part of the address space of the original one. On the other hand, the ‘Extended memory’ means that the added one is in a separated memory space, but can be switched to use the new memory space. So, it can have the effect of ‘addition of memory space’. But they can be accessed like an additional HDD in a way that apps installed on the machine can access file contents in the additional HDD, which is not possible with current Leef thumb drive. Probably it’s due to sandboxing. However, wouldn’t it be really dangerous create and access files on the added  storage from iMovie, for example? If something else is trying to access the ‘internal folder’ for saving files in iMovie bundle, then it’s a problem.  But if the added storage is marked as ‘public’  and any apps can read and change contents in it, it will be safer. (Hmmm… but there is a still problem. If the file contains a virus  and have a capability to ingest code to or the code is executed from iMovie… )

People with Samsung’s Galaxy phones don’t need to worry about this kind of thing, because they have built-in SD slot, although Android doesn’t have a good video editor for Android phones like iMovie. That’s another issue. But anyway, they can swap SD cards and take those SD cards to their home. then on their PCs or Macs, they can use any video editor to edit those video footages. So, practically there is no problem for not having ‘iMovie’ for Android. I prefer to use my computer than my iPad mini for video editing anyway, if I have to.

So, if Apple people change their mind and decide to add an SD slot for iPhones and iPads, it can be a lot better for video shooters.

Or they can differentiate iPhone and iPad like this. (MacBooks is added for classification, because iPad Pro starts to conflict with MacBook for ‘mobile’ device considering that even 13″ MacBook Air and Pro are not too heavy to carry around. 11″ models? They are even lighter.)

  • iPhone : portable all-around device without good memory expandability. “Portability and simplify is the key of the device.” So, it doesn’t have an SD slot. Anyway video shooter will prefer bigger ‘view finder’, which is the iPad screen.
  • IPad: portable all-around device with good or decent memory expandability for covering more various needs. So, it has an SD slot.
  • MacBook : It doesn’t have the limitation of closed file system of iPad like too restricted sandboxing, no ‘more flexible’ multitasking which can display more than 2 windows from different apps visible at the same time. Also, you can bring up Safari for checking people’s response on YouTube, Facebook, Periscope, to name of the few.

With the addition of an SD card slot, more video shooters would choose iDevices over Android and even still cameras with video record capability and real camcorders. ( for more advanced use, they will prefer camcorders or still cameras still, but at least, under a situation where people just carry one mobile device and happen to shoot video… iDevices will be more suitable. )

How about other users? It’s also good for them! Then can start with a model with lower memory and as their needs grow, their iDevices can grow. 

For Apple? Don’t they manufacture at multiple line based on the memory size even if the same model? Or they can slice times, and they may produce 16GB model from 9:00AM to 12:00 AM, and 32GB models from 1:00 PM to 3:00PM and so on.

However, if they provide a built-in SD slot, there can be only one variation, and they don’t need to worry about what to manufacture more. Also, it’s good for inventory management. Let’s assume that they manufactured 32GB model more than 64GB model. But on the market, actually 64GB model was more popular. As a result, they have a stock of 32GB model which were not sold., while they lack 64GB model to sell. Then they have to change the line to manufacture more of 64GB models while they need to liquidate 32GB models on the market. That’s bad.

So, I think providing an SD slot is good for every participant in the scenario.

Out-of-order ratio? I have heard that generally mobile devices with an SD slot have higher out-of-order ratio than the ones without. So, I have heard that it’s the reason Apple decided to get rid of the SD slot. I doubt if it’s the real reason. Probably the plot to have people to change their phone to thigher ones by paying more $ is the real reason. If it’s true, providing an SD card slot is bad for Apple. But.. who knows. Due to the versatility, more people can buy iPhone over Android phones.

The second factor, replaceable battery , also has the similar situation where it’s better to have a battery replaceable. So, I would not mention it.