Another internet phenom.

Marketing experts pay heed: A video clip produced by a teenage girl has become a mini-blockbuster on a popular video upload site while also helping to introduce Logitech Web cameras to a legion of young people.

'Breakup,' a 75-second clip produced by a 17-year-old girl who refers to herself as 'Bowiechick,' has been viewed more than 155,000 times and generated more than 800 comments on YouTube.com since Tuesday. YouTube, which has emerged as a major online entertainment hub only three months after its launch, lets people post homemade video clips and share them with the world.

CNET News.com :: Teenage auteur ignites buzz about video graphics