Twitter cofounder Jack Dorsey is terrible at Vine

You'd think Twitter cofounder and Square CEO Jack Dorsey would be a whiz at social media. But his posts to Twitter's young video-sharing service Vine are a mix of weirdly creepy and just-plain-boring clips.

Twitter’s video-sharing Vine exploded 200% last month

"We may be witnessing the rise of Twitter's recently acquired Vine," Compete.com's Conor O'Mahony said.

Prince’s record label yanks ‘unauthorized recordings’ from Twitter’s Vine app

Prince, taking a break from targeting YouTube, is turning his attention to video app Vine, which his record label says hosts unauthorized recordings of his work.

Want to see the market potential of Vine? Check out Mass Relevance’s new socially driven digital mosaic

Mass Relevance, a startup that brings calm to a crazy sea of social activity, is rolling out a new 'Digital Mosaic' product today at SXSW that essentially builds an image using tweets, Facebook updates, photos, and even Vine videos.

Twitter raises Vine’s age rating to 17+ following porn problems

Twitter-owned video sharing application Vine has raised its age rating from 12+ to 17+ following controversy surrounding pornographic clips shared widely on the service.

Viddy CEO canned for losing cred to Vine, reportedly turning down huge Twitter offer

Viddy CEO and cofounder Brett O'Brien has been ousted from his role as head of the company after losing much of its buzz to Twitter-owned Vine and reportedly turning down an insane buyout offer from Twitter.

After controversy, Vine makes porn harder to find

Vine is taking steps to curb access to porn after it attracted a lot of unwanted criticism this morning for placing a hardcore porn video at the top of every user's feed.

Oops: Hot video app Vine places porn at the top of every user’s feed (updated)

Users of the popular video-sharing app Vine got a surprise this morning when a short clip of hardcore pornography was selected as an "editor's pick" and placed at the top of every user's feed.