It must be Google Week on Charlie Rose. Thursday, Rose interviewed product chief Marissa Mayer, and last night he had an hour-long conversation with CEO Eric Schmidt(embedded here, with a full transcript below). The wide-ranging interview touches upon everything from Google’s origins and how it fell upon its advertising business model by accident to how search and other technologies will change society over the next twenty years.

Asked if Google wants to buy Twitter, Schmdit responded: “We’re unlikely to buy anything in the short term partly because I think prices are still high.”

And echoing Mayer’s earlier enthusiasm for all things mobile, Schmidt painted a picture of Android-powered devices turning into TVs (and disrupting the current TV model):