Bieber clip becomes Vevo's most-watch video ever
The twerker has her first top song, and all she had to do was get naked and tongue a sledgehammer
19.3 million viewers have watched the 20-year-old singer lick a sledgehammer and straddle a wrecking ball in the nude
"Best Song Ever" debuts to 12.3 million views in 24 hours
Founded by YouTube stars, Maker Studios now reaches hundreds of millions of viewers a month
New pact also could provide additional royalties for songwriters and music publishers in emerging platforms like ringtones
Fred Santarpia will develop strategies for online video distribution at Conde Nast
Rio Caraeff, CEO of music video hub Vevo, announced at the Dive Into Media Conference that "Hulu for music videos" is now profitable
Negotiations at an impasse, so no online videos from Lady GaGa or Eminem
Video site launches vertical to compete with Vevo, MTV, others
Site already has 30,000 videos, but will users come?
Label also in talks to join Vevo, the 'Hulu for Music' initiative.