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Re:Why I won't recommend Signal anymore by bitmapbrother on Saturday November 05, 2016 @10:30PM (#12883130)
>Unfortunately, Google has made it (almost) impossible to wake up the phone via some external event without using its proprietary GCM

No, fortunately Google has made it impossible for apps to abuse waking up the phone.

Re:Why I won't recommend Signal anymore by Drdrdrq on Sunday November 06, 2016 @04:32AM (#12884282)
No. Apps can abuse waking up the phone all they want (and as much as user lets them), as long as they do it via Google's servers. What they can't do is bypass GCM/FCM. Nothing to do with UX.
Re:Why I won't recommend Signal anymore by bitmapbrother on Monday November 07, 2016 @05:51PM (#12895985)
Any apps that try to abuse it will quickly be flagged by Google for analysis.