As many as 50,000 people –including the most important movers and shakers of the wireless business -are once again converging for the Mobile World Congress, the annual industry gathering which opens Feb. 16 in Barcelona. Attendance this year is expected to dip, along with sales of mobile handsets, giving  the sector less reason to celebrate in 2009.  The hope is that  mass take-up of the mobile Internet will nonetheless drive revenues.Read more