Twitter just gave mobile app developers an absolutely massive user-acquisition gift

Developers and marketers can now add users directly via Twitter, simply by adding a few lines of code to any content shared from their app to the social network.

As Instagram exits Twitter, Pinterest pins arrive inside tweets (updated)

It's not exactly a tit-for-tat swap, but around the same time Instagram photos were stricken from the Twitter experience Pinterest pins started appearing inside tweets.

ThingLink: This is how brands are driving 100% more Twitter engagement

Imagine you could post a tweet which your followers view, engage with, watch video in, listen to audio in, and get detailed information about five or six related details ... all without leaving Twitter.

Twitter expands expanded tweets — so you never have to leave

Imagine you could get everything you needed from the online world — news, photos, videos, music, movie trailers, product information — without ever having to leave Twitter. That would make Twitter chairman Jack Dorsey very, very happy, and today, we’re …