YouTube's testing a change that ignores your "All" notifications setting if you don't actually watch the channel, so only engaged fans get push alerts now.

YouTube is running a new experiment that may prevent you from receiving alerts from all the channels you follow.

‘Test’ — that’s all a push notification by Rapido read for thousands of customers, this evening (June 26). One would think that the notification descriptor will have more information about this ...

Opinions expressed by Entrepreneur contributors are their own. Starbucks accidentally pinged a host of customers who have its app downloaded with a test notification on Tuesday, according to The Verge ...