It's not easy to impress venture capitalists, but David Karp has done just that. He's managed to do a lot with very little, which should be the ultimate goal of any entrepreneur. With a small, initial Series A investment of $775,000, one other full time employee, two other part-time employees, and a passion to make his users happy, he's been able to grow Tumblr to over 15 million unique visitors and to over 500,000 publishers in about a year. His success resulted in a follow on Series B investment today of $4.5 million by Spark Capital and Union Square Ventures.
However, Tumblr is not quite a micro-blogging platform like Twitter, nor a full blown blogging platform like WordPress or Drupal. It's somewhere inbetween, with posts nicknamed "tumblelogs":
These "tumblelogs" are a variation of blogs that favor short-form, mixed-media posts over the longer editorial posts frequently associated with blogging. Common post formats found on tumblelogs include links, photos, quotes, songs, dialogues, and video. Tumblelogs are often described as providing a raw connection to their author, rather than their editorial voice. Continue Reading...
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