Google gobbles YouTube: on heel of music deals, Netco pays $1.6 bil for vid site.

Marking the transformation of Internet video from curiosity to serious business in barely a year, Google on Monday agreed to acquire YouTube for $1.65 billion in stock.

Deal immediately makes Google the biggest player in this burgeoning market, and turns the Netco into the most powerful partner for media companies looking to distribute their content online.

That was demonstrated Monday, as four major content companies signed deals with the two Netcos:

* CBS patted with YouTube to provide daily short-form content from its entertainment, news and sp