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Advertisers

Target Social Influencers and Intenders from our 200 million U.S. users in real time, using the Clearspring Audience Platform.

Publishers

Empower influencers to share your content. Optimize your site and advertising based on their interests.

Clearspring By The Numbers

Over 1 Billion Uniques*

Unique users that see AddThis monthly.

Over 9 Million Domains

Unique domains that use AddThis monthly.

Over 300 Services

Sharing services integrated in our platform.
* Based on Clearspring Data

What is Clearspring?

Clearspring Technologies is the leader in connecting publishers, services and advertisers to audiences on the social web. Ranked #1 by comScore, Clearspring’s AddThis platform enables leading publishers to distribute and track digital content such as web pages, widgets, and videos to social networks, bookmarking sites, blogs, and more.

AddThis is used by over 9 million domains reaching over 1 billion unique users monthly. Clearspring’s Audience Platform leverages aggregate data from AddThis to allow advertisers and publishers to reach these audiences by influence and intent in real-time. Founded in 2004, the company is privately held.

Clearspring is committed to the highest standards of privacy.
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Recent Posts

Clearspring’s Big Data Architecture, Part 3
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Clearspring’s Big Data Architecture, Part 2
This is part two of a four part series on Clearspring’s approach to big data analytics. (See part 1.)  This post will focus on building tree-based data structures to store the massive quantity of information that Clearspring receives each day. Trees have several useful characteristics that make them the ideal data structure for our needs. [...]

Big Data DC – Analytics at Clearspring
Last night Clearspring hosted a Big Data DC meeting at our offices in Tysons Corner, VA. Matt Abrams, Director of Data Analytics, presented to a crowd of around 40 people about how the data processing team breaks down 4-5 terabytes a day, including philosophies about design, speed and simplicity. In case you missed out on [...]

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