You may have heard of StumbleUpon. But do you really understand it?
Came across a guide to StumbleUpon at Social Media Examiner (Which is a pretty good source for social media tips) that gives a good insight into the social bookmarking and rating site where people can “Stumble” their favorite web pages, write reviews and share their discoveries with their followers. Take a look at the article and let us know what you think.