ComputerWorld's Matt Hamblen reports today that Microsoft has announced an agreement with JiWire to work together in placing ads on municipal Wi-Fi networks, starting in Portland, Oregon and Oakland County, Michigan.

"The two companies would not disclose terms of the alliance but said they will place ads in a variety of styles, including so-called ultramercials, which are interactive ads that Wi-Fi users agree to watch in return for free network access," Hamblen writes.

As Chris at LiveSide notes, "With Google not yet having a clear lead in this area, this could potentially be a very lucrative business for Microsoft..."

More here from TechSpot ... more here from Wi-Fi Networking News ... and more here from CNET News.