More than 50,000 people are attending the Mobile World Congress in Barcelona, the most important event in the mobile phone industry's calendar.

Data services on mobiles, emerging markets and vendor deals are expected to dominate this event. Mobile developers, operators and vendors are demonstrating new and emerging technologies.

Amongst the highlights, Google is expected to début its hotly anticipated Linux-based operating platform Android during the conference.

You can read ComputerworldUK's round-up of stories from the event here:

Google Android mobile OS gets updated development kit

VPN roams from LAN to 3G

T-Mobile ditches Google for Yahoo

Yahoo develops mobile aggregation software

First Android phones on display

Devicescape to unveil update and partnership

DotMobi database to help mobile developers

Sony launches first Windows Mobile phone

EC orders cut in mobile data roaming charges

Mobile Linux companies jump ship

Trolltech enables easier mobile web 2.0 apps

Celltrust targets banks with encrypted SMS app