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http://mashable.com/2009/05/17/twitter-hashtags/

Most Out of Twitter

One of the most complex features of Twitter for new users to understand is the hashtag , a topic with a hash symbol (“#”) at the start to identify it. Twitter hashtags like #followfriday help spread information on Twitter while also helping to organize it. The hashtag is a favorite tool of conferences and event organizers, but it’s also a way for Twitter users to organize themselves: if everyone agrees to append a certain hashtag to tweets about a topic, it becomes easier to find that topic in search, and more likely the topic will appear in Twitter’s Trending Topics. So how do you disseminate and make sense of all this hashtag madness?
In an article yesterday by VentureBeat.com ( full article ) Facebook is now the most popular website in the United States, just beating out Google by 0.05%. This a tremendous feat, if its actually true, for Facebook. Google has long dominated the most popular spot for years. This could be a sign of things to come for Facebook and how social search is quickly becoming a force to be reckoned with. http://georgia.com/2010/03/16/is-facebook-now-1/

Facebook Now #1?

Seesmic Blog

Dear Ping.fm users, As you might have heard, we are about to close Ping.fm. We’ve built its successor, Seesmic Ping , which is more reliable, stable and robust, providing more features and focusing on the most popular services. Here’s what’s currently featured in Seesmic Ping : http://blog.seesmic.com/