All eyes in the tech world were on Barcelona as the city hosted the annual Mobile World Congress. Russian companies were on hand show off their latest wares, including two Russian mobile network operators competing to roll out the first 4G LTE link in Moscow. Apps were the name of the game as one St. Petersburg-based company looks to match entertainment with functionality. Your phone is much more than a phone when it's fitted with the latest NFC chips. And you can keep your tablet safe from both viruses and thieves with the newest security solution.