How to workaround a Facebook bug causing popular apps like Spotify, Pinterest, and Tinder to crash (FB)

· Several popular iOS apps like Pinterest and Spotify were crashing on Friday morning because of an issue with Facebook's SDK.
· If you're still experiencing the problem, there's a workaround: installing the firewall app Lockdown Apps, as The Verge reported.
· The app is an open-source firewall that takes minutes to install...