The Open Mobile Summit, which takes place on June 10th and 11th at the Thistle Marble Arch in London, is almost sold out.

Delegates are signing up to hear some of the market's top execs clash at sessions such as 'App Store: Fad or Future?' on June 11th.

This will feature Rick Fant (Head of Internet Discovery, Vodafone),  George Linardos (VP Product Development, Media at Nokia) and more.

Meanwhile RIM's senior VP Alan Brenner, responsible for the Blackberry App Store, is keynoting the event on June 10th, along with Christopher Schläffer, who is group produce and innovation officer across the T-Mobile group.

The Open Mobile Summit will explore the move to open the mobile value chain, and deliver mobile as a mass media.

It features heavyweight speakers from both the wireless establishment - mobile operators, handset manufacturers and software cplayers - as well as Internet and media giants, mobile web and advertising execs.

Companies already participating include: Google, Yahoo!, Ogilvy, O2 / Telefonica, T-Mobile, Motorola, LG, Acer, Glu, DigitalChocolate, Nokia, Symbian, LiMo, WindRiver, ChinaMobile, China Unicom, ACCESS, AnalysysMason, 3, Orange / France Telecom, Fjord, Telco2.0, Accel, Handmark, Bango, Taptu, JumpTap, TeliaSonera, Qualcomm, BT, Truphone, openmoko, Omniphone, GSMA, Disney, OMTP, w3c, BBC, Opera.

A few remaining tickets are available - click here for discounts. But hurry, this is almost sold out.

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