It may be the dead of winter, but you wouldn't know that in Barcelona. The sun's shining bright on Fira, the Spanish city's main exhibition center, as construction crews work furiously (read: gather on staircases for seemingly day-long lunch breaks) to prepare for Mobile World Congress. We've arrived in the Catalonian capital to bring you the latest and greatest from el mundo de la telefonia movil, beginning with tomorrow's manufacturer previews. For now, grab a glass of sangria and enjoy el fin de semana -- the fun begins at dawn.Protip: Use our "mwc2012" tag to see all of this week's Mobile W
