alt Hacker NewsAlso because they can spam you with notifications through the app and that surely makes some chart go up. As someone with meticulous notification hygiene, it's always surprising to me just how many people allow every app to send notifications when it asks, without thinking about it at all.
Some advice I follow, and give to others: Refuse notifications by default. Only enable them when you're getting paid to see them. (slack and work email, for example count as getting paid to see them)