It's no secret that Microsoft is jealously eyeing Google and its tremendous ad revenue. According to a new AdAge article, Microsoft CEO Steve Ballmer plans to deliver that message home yet again at this week's Association of National Advertisers conference in Phoenix--despite the fact that he's already said as much last year at a Microsoft-owned ad agency client summit.

"This time, however, Microsoft needs to show less talk and more action," AdAge reporter Abbey Klaassen writes. "Since Mr. Ballmer's on-stage display of advertising affection [last year], Microsoft's share of search has stagnated and its advertising division has been marginally profitable or unprofitable while Google this year will rake in about $15 billion."

Microsoft's recent mobile search push will likely factor in heavily in any future online advertising moves, as the Redmond-based giant looks to leverage any newfound revenue across all Microsoft-based platforms.

Ballmer's Big Bet: Microsoft Will Be Ad Giant [AdAge]