Celebrating technological advancement

Visitors walk past the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)

Visitors walk past the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
01/010 Visitors walk past the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
Visitors walk past the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
02/010 Visitors walk past the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
A visitor walks past an advertisement on the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
03/010 A visitor walks past an advertisement on the Qualcomm stand at the Mobile World Congress in Barcelona. (Reuters photo)
People walk around Hall 3 at the Mobile World Congress in Barcelona. (AFP photo)
04/010 People walk around Hall 3 at the Mobile World Congress in Barcelona. (AFP photo)
Visitors look at Samsung devices at the Mobile World Congress in Barcelona. (AFP photo)
05/010 Visitors look at Samsung devices at the Mobile World Congress in Barcelona. (AFP photo)
A Sony Xperia Z2 smartphone and a Sony Xperia Z2 tablet are displayed at the company's stand during the Mobile World Congress in Barcelona. (Reuters photo)
06/010 A Sony Xperia Z2 smartphone and a Sony Xperia Z2 tablet are displayed at the company's stand during the Mobile World Congress in Barcelona. (Reuters photo)
Facebook chief executive officer Mark Zuckerberg smiles as he arrives at the stage to deliver a keynote speech during the Mobile World Congress in Barcelona. (Reuters photo)
07/010 Facebook chief executive officer Mark Zuckerberg smiles as he arrives at the stage to deliver a keynote speech during the Mobile World Congress in Barcelona. (Reuters photo)
Visitors follow on a huge display Facebook's 29-year-old billionaire creator Mark Zuckerberg speaking on the opening day of the Mobile World Congress in Barcelona. (AFP photo)
08/010 Visitors follow on a huge display Facebook's 29-year-old billionaire creator Mark Zuckerberg speaking on the opening day of the Mobile World Congress in Barcelona. (AFP photo)
New Samsung Galaxy S5 smartphone, Gear 2 smartwatch and Gear Fit fitness band are displayed at the Mobile World Congress in Barcelona. (Reuters photo)
09/010 New Samsung Galaxy S5 smartphone, Gear 2 smartwatch and Gear Fit fitness band are displayed at the Mobile World Congress in Barcelona. (Reuters photo)
JK Shin, president and head of IT and Mobile Communication Division of Samsung Electronics, waves on stage at the Mobile World Congress in Barcelona. (Reuters photo)
010/010 JK Shin, president and head of IT and Mobile Communication Division of Samsung Electronics, waves on stage at the Mobile World Congress in Barcelona. (Reuters photo)