Microsoft took a dramatic step with Windows Phone 7 Series this morning at MWC in Barcelona, and obviously we've been talking about it all day here at Engadget HQ. Just like with the iPad and the Droid, opinions on the staff are all over the map -- it's not every day that a company reboots an entire OS -- so we're going to let everyone speak for themselves, starting with the people who've handled Windows Phone 7 Series in person: Josh, Chris, Thomas, and Sean.
Josh:
The most astonishing thing about Windows Phone 7 Series is how
