Oh, sweet summer, enfold us in thy purple cloak. The lilacs are in bloom, the nights are shorter and Thanko is switching from selling USB products that keep you hot to USB products that make you cool. The highly accurately named USB Butt Cooler is indeed a round, perforated pillow that blows cooling air, er, up, your butt, in a sort of anti-whoopee cushion style. Enjoyable as this kind of thing sounds, cooling usually draws ...