Article from AlwaysOn says that Microsoft is already in a good position to challenge Yahoo and Google in the paid search arena.
In its bid to challenge Google Inc. and Yahoo Inc. at their own game, Microsoft Corp. says its entry into online advertising technology will offer marketers a "one-stop shop" that’s far more comprehensive than rival services.
MSN, with a 16 percent share of the paid-search market, is in third place behind industry leader Google , at 35 percent, and Yahoo , at 31.8 percent, according to research firm comScore Networks.