Your Windows Phone 7 could be gobbling more 3G than you might think according to reports popping up online. Some Windows Phone 7 users claim that their devices have been eating up lots of cellular data even when they’re idle. That means people on limited data plans could find themselves with a much lighter wallet when their bill arrives. A user reported to Paul Thurrott’s WinSuperSite that he had put his Windows Phone 7 device into airplane mode because he was rapidly nearing his 2GB data limit and data was still spilling forth even when they phone was not in use…
