Technology - Gadgets unveiled at CES but Russia is banned:.

One of the world's largest technology shows kicks off in Las Vegas this week, with about 100,000 attendees expected and more than 3,000 exhibitors from around the world showcasing what they hope will be the next big thing. From the technology giants to the smallest start-ups, all are welcome here, if they can afford to attend. It's a smorgasbord of clever ideas - and some completely bonkers ones. But one country is notably absent from CES...