Hi, Has anyone tried Stumbleupon advertising yet? does it covert highly? Because stumbleupon focuses on interests of people right? so their must be a high conversion?
traffic quality is very close to those script generated auto surf programs. if u are lucky, u will get 5 seconds 'Avg. Time on Site' at best. those stumblers never browse to 2nd page, whether free or paid. forget about conversion rate, member sign up rate........ my USD$50 ads campaign with stumbleupon is just a waste.