Digital Briefs: MTV, AT&T, Diddy

- MTV’s president of global digital media Mika Salmi reportedly is leaving the company at the end of the month. His position will not be filled.

- MTV and ISP AT&T have joined forces to bring exclusive content from MTV’s archives to AT&T customers via an interactive campaign called the AT&T Music Vault. Music fans who correctly answer various trivia questions will have access to the “vault” of content-consisting of 15 new videos a day, provided by MTV.

- Sean “Diddy” Combs launched a video blogging service called P. Twitty TV, a mix of his Twitter feed and YouTube video blog.

By Antony Bruno, Denver