Sony Ericsson, which marks its 10-year anniversary this year, leveraged the relationship with Sony to launch the Walkman music phone in 2005. It was a huge hit. The company launched a new Xperia games phone that ties in with the popular PlayStation gaming console at the Mobile World Congress in Barcelona Feb. 13. But the mobile sector has changed dramatically and Sony Ericsson can no longer depend solely on in-house expertise and Sony brands to set itself apart.Read more

 Google chief executive Eric Schmidt managed to snag a cherished slot as a keynote speaker at this year's Mobile World Congress,  the industry's biggest annual bash.   But announcements made at the show's opening February 15 illustrate how the mobile sector is struggling to grab the spotlight back from  Apple and Google.Read more