Does Windows Phone 7 Have a Data Transmission Bug ?

Microsoft commentator and Windows Phone 7 Expert Paul Thurrott has reported a serious bug that indicates Windows Phone 7 is uploading up to 50 MB of unidentified data every day. The phone operating system apparently ignores Wi-Fi connections for sending this data, leading some Windows Phone 7 owners hitting their 2 GB plan data limit while doing little more than checking email and social