Last week's massive industry confab in Barcelona, Spain, attracted 72,000 attendees and produced the usual flurry of news announcements. It quickly became clear that there were a number of key themes dominating the Mobile World Congress 2013. The Fierce editorial team took stock of our impressions regarding the relevant trends in several categories--emerging devices, smartphones, mobile content, operating systems and infrastructure--and compiled them into this scorecard of the technologies and companies that we think emerged as the winners and losers at MWC 2013. Special Report
