As the news coverage of the time pointed out, Facebook did this to Twitter a few months after Twitter themselves did the same thing to Instagram (which was alre

As the news coverage of the time pointed out, Facebook did this to Twitter a few months after Twitter themselves did the same thing to Instagram (which was already owned by Facebook at that point) and Tumblr: https://www.theverge.com/2013/1/24/3913082/facebook-has-apparently-blocked-vines-friend-finding-feature https://www.theverge.com/2013/1/24/3913082/facebook-has-appa... All of the big social networks were and still are like this.