Aggregator Bookmarklet Comments StumbleUpon 
ProBlogger
OCTOBER 31, 2013
Alternatively just leave a comment on one of the pins requesting that someone invite you. The plug-in can publish nicely formatted messages to your Facebook, Twitter, Google+, Blogger, LiveJournal, Delicious, Diigo, Stumbleupon, LinkedIn, Pinterest, Plurk, VKontakte, WordPress, and Tumblr accounts. Install the Bookmarklet.
Techipedia: Tamar Weinberg
JANUARY 5, 2009
( Disclaimer : I’m certain that even with this list in excess of 250 links, I forgot a bunch of posts, so if you have any additional recommendations, please feel free to comment and I’ll add them!) StumbleUpon Mathematics for Stumblers (The Venture Skills Blog): Tim Nash tries to explain the StumbleUpon algorithm.
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