One of the regular features of every ILTA conference is 'vendor bingo' – which encourages delegates to visit as many exhibitor booths as possible, in return for which they have a chance to win some very generous prizes. In keeping with the trend toward virtualization at many of this year's industry tradeshows, the 2009 ILTA conference in Washington, DC is upping the ante by featuring an online version of its vendor bingo game via its arrangement with  The contest starts on Monday 24 August on the virtual exhibit hall site and is open to all registered ILTA members – whether attending the conference or not – with a $500 American Express gift card prize for the winner.