Efficiency of StumbleUpon advertising ?
jusob: I tried adwords, Facebook Ads, and stumbleupon for http://www.reviews-web-hosting.com/Adword: $0.90 per visitor in average
Facebook Ad: $0.45 per visitor
Stumbleupon: $0.05 ($25 for 500 users)I haven't see much difference in behavior from these 3 origins, but that may be because nobody spends much time on the website :-(