Today was a very busy day when at 7 am EST the Windows Phone 8.1 Preview for Developers went live. That allowed those with developer accounts (pro tip: anyone can become one) to download and install Windows Phone 8.1 on their device. Take a moment to let us know if you upgraded your smartphone from Windows Phone 8 to Windows Phone 8.1 if you?re not busy playing with Cortana.
Full story from the WPCentral blog...