Tumblr, a light blogging platform, was founded on 2007 by the New York-based entrepreneur David Karp. Since then, many bloggers have switched from Wordpress, Blogger, and Typepad to this easy-to-use blogging tool. As of Febuary 2011, Tumblr ranks 60th on Alexa and has an average of 140 million daily page views with 21 million daily visitors. The sudden boom of Tumblr was witnessed by many these last two years. What's their secret?
