Mobile World Congress: Here's what you've missed

Visitors try devices at the stand of Samsung on the first day of the Mobile World Congress in Barcelona. Barcelona is playing host to one of the mobile industry's biggest events. Mobile World Congress kicked off Sunday, with companies including BlackBerry, LG, Nokia and Samsung unveiling details on the latest smartphones and tablets. Need to catch up on MWC? Here's a recap of what you missed: Softbank CEO Masayoshi Son believes computers and artificial intelligence will be really smart. He thinks AI-powered computers will have an IQ of 10,000.