Tumblr Shares Stats: 20 Million Uniques, 420 Million Impressions Per Month
-school dropout and Tumblr founder David Karp is doing a presentation today at the Eventoblog conference in sunny Sevilla, Spain. In one of his first slides, Karp shared some statistics about Tumblr, which appears to be growing pretty well, pretty quickly.
Last August, the Tumblr team shared some growth statistics and claimed 50 million visitors [...]

