Motorola's Droid 4 smartphone on displayPhotograph: David Becker/Getty ImagesMicrosoft CEO Steve Ballmer looks on during a presentation of his keynote address Photograph: Kevork Djansezian/Getty ImagesIndustry affiliates take photos of LG's new 55-inch Super OLED TV Photograph: Julie Jacobson/APBluetooth-enabled watches that connect to your smartphone on display from i'm watch of Italy Photograph: Bruce Bennett/Getty ImagesA Windows rep gives a demonstration of features available on the Lumia 800, Nokia's high-end Windows phone for the international market Photograph: Frederic J Brown/AFP/Getty ImagesA prototype Vaio tablet on display at the Sony booth Photograph: Kevork Djansezian/Getty ImagesAn artist uses Samsung's Galaxy NotePhotograph: David Becker/Getty ImagesThe Swiss Army Knife from Victorinox, with a 128GB flash drive. It will be available with 64GB, 128GB, 256GB, 512GB and 1TB drivesPhotograph: Frederic J Brown/AFP/Getty ImagesA smartphone sending instructions to a cooker using LG's newest Smart ThinQ technology is demonstrated Photograph: Ethan Miller/Getty ImagesA man checks out a Scion SD vehicle fitted out with a booming Scosche HD soundsystem Photograph: Frederic J. Brown/AFP/Getty ImagesSamsung TVs on display Photograph: Kevork Djansezian/Getty ImagesGreg Pan, chief executive of Greenworld, puffs away on its recently introduced electronic cigarette Photograph: Bruce Bennett/Getty ImagesPhil Molyneux, president and chief operating officer of Sony, talks about the new foldable Tablet P during a news conferencePhotograph: Jack Dempsey/APConvention attendees inhale flavoured oxygen at the Air Head oxygen bar in the Motorola booth Photograph: Kevork Djansezian/Getty ImagesA woman touches the screen on Sharp's 80-inch touchscreen TV set Aquos Board, an interactive display systemPhotograph: Frederic J Brown/AFP/Getty ImagesUltrabooks on display at the Intel standPhotograph: Julie Jacobson/APThe Proton Semiconductor Sequencer from Ion Torrent Systems, a new DNA sequencing machine and chip designed to sequence the entire human genome in about eight hours displayed at the Life Technologies booth Photograph: Ethan Miller/Getty Images