most of them are cons,the good ones are few n far between, also they pay a pittance and some have a £20 or more earn before you can withdraw,which if you got a lifetime to wait you will earn it. Mick is spot on when he says you get a load of Spam in yer inbox, i get over 100 per day.
cos they sell on yer e-mail address to every buggar, best i can tell ya tinks= Keep Away.