Speaking at Microsoft’s Developer Forum 2011, Ballmer promised the features at a VIP launch event and hinted at new handsets. “Including some of the particulars about who is going to be building Windows Phones and which carriers will be offering them,” said Ballmer. WMPoweruser spotted Ballmer’s speech and provided a video recording. The confirmation of a big feature set further confirms Microsoft’s plans of a big launch for Windows Phone 7.5 later this year.
Ballmer Promises over 500 New Features in Windows Phone Mango
Windows Phone Mango will be released later this year