Clearspring Raises $20MM from IVP

(Originally posted on the Clearspring blog.)

We’re excited to announce that we’ve just closed an investment round led by Institutional Venture Partners (IVP). IVP has backed some of the best data-driven companies on the web, including Twitter and Zynga. 86 out of the 300 companies they last invested in have gone public.

In the last couple of years, we’ve grown tremendously across the board. AddThis is now used by over 9MM domains, reaching over 1B unique users monthly. It’s so popular that we’re now one of a handful of sites to have a Google PageRank of 10. We’re processing 10TB of data/day – every week, we process as much data as the entire digital Library of Congress.

AddThis has in turn fueled the growth of our Audience Platform, enabling hundreds of advertisers to deliver more relevant advertising. All the while we’ve been hiring as fast as we can to continue to support the needs of all the great companies that use our products.

We want to thank all of you for working with us over the years. We hope to show you just how thankful we are by putting this money to work on great new products. As always, if you have any ideas about how we can better serve publishers and advertisers, hit us up.

Look forward to continuing to rock (and roll) with all of you!

Cheers,

Hooman

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