Big tech shows. Sometimes they amaze. Other times they can leave you a little cold -- it just depends on what you're looking for. This year's IFA, held in Germany and blessed with a mix of torrential rain and sun, is a good example of exactly that. The show has a reputation for filling halls with refrigerators and washing machines (which can sometimes be interesting), but here's the finely-honed highlights. If you somehow missed our IFA reportage all this week, start here.