Good question about why Vine died but TikTok hasn’t! I gather that Twitter mismanaged it after it bought Vine, and that it didn’t listen to the requests of its most highly-followed users … but ok sites there are a dozen interlocking reasons.

One thing I’d add to the points Narayanan makes is that TikTok’s authoring tool is extremely nicely made. It’s essentially a very slick editing tool that’s also opinionated — ie it encourages certain types of shots — which can paradoxically help: Constraints tend to catalyze creativity