People are trolling iPhone users with the 'killer symbol' that crashes their apps

Surprise! Assorted jerks on the internet have weaponized the Unicode-based bug we reported yesterday to insta-crash apps running on an iPhone or a Mac. The result is somewhere between the old Alt + F4 trick and a script kiddie stunt, and it ranges from being annoying to rendering a device unusable, depending on the tenacity of the troll.