Good-enough goes a long way when combined with network effect.
You don t always need to be better to win, you just have to rob your competitor of its appeal.
Snapchat invented a brilliant format for sharing day-to-day life: photo and video slideshows jazzed up with commentary that disappear after 24 hours so you ll share an unpolished window into what you see.
So Instagram dug up a plan from Facebook s 2011 playbook.
And so Facebook launched Subscribe, a way to follow public figures.
It was never a Twitter-killer .