We're done listening, it's time to start doing. Microsoft had a number of Windows Phone Mango devices scattered about after this morning's intimate event concluded. So we grabbed one, went somewhere quiet, and got a little more intimate with the operating system itself, checking out the new hubs, groups, and Bing Vision search that should make cross-shopping a whole lot easier. Join us, won't you, to see what Mango is -- and what it isn't. Windows Phone Mango hands-on! First of all, Mango is not necessarily Windows Phone 7.1. Microsoft simply had to get the SDK ready to go and, well, they "had to call it something." So, 7.1 is that something, a number applied to the SDK that we have a feeling will stick to the OS as well, but Microsoft is still far from carving that version into stone. We also got a little more information about the Dell situation, that simply the company wasn't quite ready to commit to being on the Mango bandwagon. So, don...