By Miguel Helft January 8, 2009 5:43 pm January 8, 2009 5:43 pm There are a few reasons Google makes so much more money than rivals like Yahoo and Microsoft in search advertising. First, it accounts for a lot more searches. Second, its technology is believed to be better at matching ads to queries. And third, it has more advertisers. A lot more. Until now, however, the number of advertisers on Goo