In what order will these corps die?

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Apple is the only one of them that's ever come close to bankruptcy, hence why they're so paranoid about having a trillion dollars in the bank. They would really need to fuck something up.

That's not what the phrase means. "To big to fail" originally meant "too big to be allowed to fail", because a TBTF firm collapsing would topple entire nations' financial systems, and so they have to be propped up even if they would have died on their own.

First - facebook's facebook business (the company will still get money from other investments though)
Second - google
Both of these's primary income source are ads, and ads will crash soon (unrelated to adnauseam but just the fact that people have grown desensitized to them or block them outright)
Third - microsoft. They're not innovating at all, people aren't updating to w10. They can't scale down efficiently, it's too monolithic. Their income source if mostly businesses/education buying windows VL's.
Fourth - apple. They have a future ahead, and they're reasonably well diversified. If the recession hits they can just dump stuff without it having any significant effect on anything else, they also have large amounts of cash on hand.

What's the big jump? Care to provide an updated one?

None of these are TBTF in that definition.

With one nuke, we can process all of Silicon Valley in parallel

Facebook -> Microsoft -> Apple -> google

Faceberg's buying up everything it can, Microsoft is switching gears to a different business model, and Google will only go bust if advertising money on the web goes bust. (And it won't happen fast enough that they can't weasel out into new markets.)

I don't think even Apple knows what it's doing anymore. It's a Steve Jobs cargo cult. There are no ground-breaking or game-changing new features in their products. All they do is make them bigger, or thinner, or sexier, or more bloated with useless shit. Their business is dependent on whether or not they can stay in vogue as a fashion accessory, and that is a very fickle thing.

They only have it so long as they give the illusion that they're company is still worth it. Tim Cook will fuck this up in due time, he's a piss poor persuader.

Currently, MS is weakening, might be the first to go. Facebook is a probable #2. Then Apple.

Google isn't going anywhere unless the US government does something, and they better before Google takes over the government.

All Social media sites die.

Apple is starting to become not hip to buy.

Google has a better chance of becoming the next IBM.

Google first. It's infested by communists who are overplaying their hand. It'll either get split up by the US government, or just suddenly implode without anybody seeing it coming.

Facebook next. They'll slowly bleed out. Their users are already leaving, advertisers will follow the users, investors will follow the advertisers.

Microsoft and Apple will stick around forever. Just like IBM or GE.