4 Times Facebook and Twitter Copied Each Other in 2015

They say imitation is the sincerest form of flattery, unless you're a tech company. And in terms of social media feuds, nothing quite compares to Facebook and Twitter's ongoing battle.

@laurenjohnson lauren.johnson@adweek.com Lauren Johnson is a senior technology editor for Adweek, where she specializes in covering mobile, social platforms and emerging tech.