How many Mechanical Turk users lie about their location

[Panos]

http://behind-the-enemy-lines.blogspot.com/2011/03/do-mechanical-turk-workers-lie-about.html

[angdis]

Ok,so ~10% aren't indicating their true location. Why does it matter? Maybe they just said whatever was needed to get the HIT?

If the HIT is not actually locale specific, there is no reason to expect all takers to truthfully divulge where they are located.