PointClub - DOI - only for US

 PointClub gives users a chance to have fun, voice their opinion and earn  rewards by participating in a variety of activities. Joining PointClub  is completely FREE. Members are never required to provide any credit  card or other financial information, nor do they require members to  purchase anything in order to participate. Instead, they want to pay YOU  for some of the most valuable assets you have — your honest opinion and  genuine interest. 

  To join users must be at least 13 years of age and have a valid email address.   

link is here