Facebook has an explicit program (hackamonth) to avoid limiting internal mobility - https://www.facebook.com/notes/facebook-engineering/hackamonth-mixing-things

Facebook has an explicit program (hackamonth) to avoid limiting internal mobility - https://www.facebook.com/notes/facebook-engineering/hackamonth-mixing-things-up/10150161285048920 https://www.facebook.com/notes/facebook-engineering/hackamon...