I've used Stumble Upon for years. As a matter of fact I created a second account when I began blogging because I love it so much! So when I read this post on Moomettes Magnificents about StumbleUpon I not only gave it a "thumbs up" I knew I had to share it with all of you!
While you're there make sure to check out the rest of Cindi' posts and subscribe to her RSS! Her posts are always so informative, thoughtful and all around AWESOME!