Tumblr is attracting a lot of attention right now There is talk of a big funding round in the works and it is making significant hires. Why all the interest?

Sometime last June, blogging service Tumblr hit an inflection point. It’s visitors and pageviews just took off. According to comScore, Tumblr served up 1.2 billion pageviews in the U.S. in October, up a mind-boggling