Following news that Microsoft execs are becoming frustrated by the large numbers of iPods appearing around campus, the iPod has stolen the show at Microsoft's developer conference.

Many of the exhibitors have one thing in common – they are giving away an Apple iPod as a prize on to lure people to their booths, according to

InnerWorkings marketing VP John McIntyre joked: "I actually said to everyone, 'Do we have to give away an iPod?' But in the end it is tough to beat the Apple icon."