As I noted in class, I don’t agree with the methods talked about in that first link, but I do think bloggers shouldn’t overlook the power of Stumbleupon and other bookmarking sites to drive traffic to their site. I’ve seen a significant amount of traffic come from such sites, particularly Stumbleupon and Delicious.
How I Got 26000 Followers from Stumbleupon: http://www.dumblittleblogger.com/2011/01/15/how-i-got-26000-visitors-from-stumbleupon/
Stumbleupon Android App Discovery Feature: http://techcrunch.com/2010/11/17/stumbleupon-android-app-discovery/
Stumbleupon Sent 700 Million Pageviews to Other Websites in December: http://techcrunch.com/2011/01/04/stumbleupon-sent-700m-pageviews-to-other-websites-in-dec-is-growing-20-monthly/
7 Things You Should Know about Social Bookmarking: http://net.educause.edu/ir/library/pdf/ELI7001.pdf
10 Most Popular Fifteen Social Bookmarking Sites: http://www.ebizmba.com/articles/social-bookmarking-websites
Good overall list of bookmarking sites: http://www.addthis.com/bookmark.php