Facebook and Instagram will block DMs to teens unless they're from a friend

In 2021, Meta restricted adults on Instagram from being able to message under-18 users who don't follow them. Now, it's expanding that rule to help protect younger teens from potentially unwanted contact. Users under 16 -- or 18, depending on their country -- can no longer receive DMs from anybody they don't follow by default, even if they're sent by fellow teens. This new safety measure applies to both Instagram and Messenger. For Messenger, in particular, young users will only be able to recei...