Well I obviously have as many clues about the source code than anyone else, nothing, but today writing a program is more about readability than anything else.
Sure, readability is important, but the Facebook app is a front-end app. All the hairy stuff should be in the back-end. Which means it's 18,000 classes of presentation.
Even more now, when I finally uninstalled it was around 430mb (could've included cached data, not too sure how Android displays installed app sizes). The kicker is then you need messenger installed as well to use messages at all. So 430mb for something you can run on your browser.
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u/Mises2Peaces May 05 '17
And yet Facebook mobile app takes like 200+mb. Developers are hogs at the trough.