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Many of them are hardware which is understandable.

It would be nice, but perhaps hard to do, to have a list of "sherlocked" apps and services.

Or acquisitions where they immediately killed the product... RIP FingerWorks TouchStream

I've never heard of that product but man, that's an... unfortunate name.

RIP lala.com

RIP Dark Sky

Not supporting old hardware is fine. Forbidding users from updating their hardware themselves is killing it though.