Tumblr

What
Behind the biggest conceptual change in the evolution of blogging. The easy way to blog: post text, photos, quotes, links, music, and videos from your browser, phone, desktop, email or wherever you happen to be, and customize everything.

Disrupting
Traditional media and advertising markets.

Tumblr
Source: Tumblr

Headquarters: New York, NY
CEO: David Karp
Year Founded: 2007
Number of Employees: 174
Funding: $125 million
Key Investors: Sequoia Capital, Greylock Partners, Union Square Ventures, Spark Capital and Insight Venture Partners

Vital Stats

  • Ranks 40th among most-visited U.S. websites, right behind Netflix (Comscore)
  • 80 million unique visits a month/222 million globally (Quantcast)
  • 106.7 million blogs
  • 50 billion posts
  • 71 million daily posts
  • Average deal size for Tumblr advertising is six figures
  • Clients include GE, AT&T, Pepsi
  • The 10 top film studios are now advertising on Tumblr
  • Mobile growth rate 4 times over past six months


On Disruption

"Disruption is democratizing what was once wholly owned by influencers at big institutions." -David Karp, CEO and Founder

Technology

Latest Special Reports

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    Coverage of annual investing conference.

  • Participants at a hacking conference.

    A series of high profile cyber attacks has created huge economic opportunity as businesses look to fend off future attacks.

  • Is an active twist on passive investing the right portfolio move? An inside look at the rise of ETF strategists.