what do you think about greenfieldonline ?

@hwj308 (64)
December 20, 2009 7:15am CST
is greenfieldonline the largest survery group? but,the survey hears like very hard to complete ,can someone show some good advices to help us complete more surveys sucessfully ? We Chinese can do the Ciao-surveys that belongs to the greenfieldonline company, the surveys are also hard to finish like greenfieldonline,I always encouter this kind of phrase "you do not qualify for this survey" and I have to go to next survey ,a little pity!
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