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> What kind of shadow spy network must exist around all these companies such that they all happen to be working on the same features at the same time.

Stuff like that happened even before the invention of the telephone, humans within the same geographic location is even more predicable, so surely this shouldn't come as a surprise.

[clayhacks]

Yeah the spy network is just all these people living in a 7 mile radius of each other (San Francisco) and have lots of overlap in social circles

[irishcoffee]

Who said I was surprised? :)

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I mean your initial question kind of implies something that is likely to be the wrong answer, so sounds like at least someone could potentially be surprised by that :)