Google and Facebook's share of the online ad market could eventually be worth trillions of dollars (

Online advertising will be a bigger market than anyone is predicting, according to Credit Suisse. Google, Facebook, and Amazon could be going after a market as large as $3 trillion. Watch Google's stock price move in real time here. Grab your calculators, because the online advertising market could be worth nearly twice what was previously predicted, according to Stephen Ju, an analyst at Credit Suisse. "We believe looking at the large cap Internet operators within traditional...