Yahoo announced today that it will acquire the 80% of advertising network RightMedia that it doesn?¢‚Ǩ‚Ñ¢t already own for $680 million in cash and Yahoo stock.
Yahoo previously bought 20% of the company in a $45 million Series B round of funding announced in October 2006. The company has raised over $50 million to date.
Read more: Techcrunch