How’s microblogging startup Tumblr doing? Doing well, founder/karaoke star David Karp tells Wallstrip’s Julia Alexandria.
The site is up to 300,000 users as of this month, and growth has…
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How’s microblogging startup Tumblr doing? Doing well, founder/karaoke star David Karp tells Wallstrip’s Julia Alexandria.
The site is up to 300,000 users as of this month, and growth has…
