It's what the 920 should've been -- the Lumia 720, that is. And that's likely what other press will claim, as well. From the moment Nokia laid the slim, 4.3-inch device in our hands, it was apparent the company has a different user in its sights: the hyper social and style-obsessed. With a profile of 9mm, the Lumia 720 is now the thinnest Windows Phone 8 device in the Finnish company's lineup. And it's also the "trendiest," as Nokia will no doubt remind you in its eventual marketing. S