Tumblr announces auto-play video advertising.

Instagram finally rolls out 15-second video ads.

Instagram makes sharing the love a little easier

Instagram sweetens the deal for brands wanting to spend bucks.

Instagram announces new app for creating time-lapse videos.

Instagram elbows in on the crowded messaging market.

We look at how the sexes split when it comes to Instagram.

We show you how to get your brand in the picture.

SMK looks at the latest snap-happy stats from Instagram.