In the microblogging wars, Twitter is overwhelmingly the biggest winner. But some services that don't become No.1 also have their own camp. Tumblr, for example, is still a Web2.0 tool that many people love abroad. At home, unfortunately, many have been forced to give up.
Anyway, if you're a Tumblr user, don't miss these 34 awesome Tumblr themes that you can use to make your tumblelog look like a blog, Twitter, social bookmarking, gallery, Portfolio, and more.