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Because Tumblr is blindingly fast and totally free

• BorisMelnik 10y ago
  that and it is unique in the fact that Tumblr is not only a blogging platform, but has a built in social network. I don't use Tumblr but if you are in the right niche (XXX for one) you can score tons of traffic for your product much faster than you could using other methods. I wish Yahoo paid more attention to Tumblr, I feel like its really fallen behind and another product that could have really taken off if it had some attention.