Microsoft Advertising, which is sponsoring the French Riviera festival for the ninth year, will host speakers like graphic designer Stefan Sagmeister and Naveen Selvadurai, the founder of Foursquare, in addition to the conference showcases some of its latest innovations.

FORBES: Microsoft showcases new social media tools at Cannes

In addition to making the final Windows Phone Developer Tools available today, Microsoft Bing Maps and Microsoft Advertising have introduced new resources to help developers maximize their profit from their Windows Phone 7 apps and to heighten the end-user experience.

ENGADGET: Microsoft demoes Twitter and Netflix apps for Windows Phone 7, releases final dev tools

That's some pretty damning stuff, but the case isn't anywhere near resolution yet -- the judge has yet to decide whether to certify it as a class action, which looks like it'll depend on a technical reading of what exactly Microsoft was advertising throughout the Vista Capable program.

ENGADGET: Microsoft VP: "I personally got burnt" by Vista Capable stickers