Microsoft joins forces with Sony Ericsson

Sony Ericsson has announced a new high-end web-enabled smartphone at the Mobile World Congress.

The Sony Ericsson Xperia X1 blends multimedia and web connectivity. With the Xperia X1 Sony Ericsson is moving away from its traditional sparring partner Symbian, instead opting for Microsoft Windows Mobile.

Sony Ericsson executive Steve Walker told the AP news agency that Microsoft Windows Mobile was the "ideal" platform for the X1. "In the case of the Xperia X1, Microsoft gives us an opportunity to build on," he said.