Delicious Meme Social Bookmarking Social News 
Techipedia: Tamar Weinberg
JANUARY 5, 2009
Social Media Sites: General The Big Boys of Social Bookmarking: The Top 20 Sites (10e20): Chris Winfield ranks the top 20 social bookmarking sites by their Alexa rankings and gives a short description of what each does — in case you haven’t ventured beyond Digg. Maybe next year, folks!
Techipedia: Tamar Weinberg
JANUARY 26, 2010
Relationship opportunities on StumbleUpon are endless, especially since it’s a social bookmarking service based on interests. I’ve personally found StumbleUpon to be a great tool to find good and exciting content, and I’ve even made some friends through the “toolbar.&# What other suggestions would you make?
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