The downfall of Microsoft's Kin smartphones is a fairly well-known story at this point, and something that Microsoft would no doubt prefer to forget, but details have a tendency to keep trickling out. The latest comes courtesy of Wired's Gadget Lab, which has obtained some previously unseen internal testing videos that paint a bleak picture of the problems Microsoft was facing. While the devices in question are pre-production models, they're said to be "changed very little from the shipping product" and, as you
