Impact of StumbleUpon to Drive Targeted Traffic
StumbleUpon helps you discover and share great websites. As you click StumbleUpon Stumble, they deliver high-quality pages matched to your personal preferences. Stumbleupon also has features where you can associate your account with other “friends” via the stumbleupon.com site. This allows you to see updates they make to their webpage, you can see also what they are stumbling.