AddThis

McLean, Va. - July 19, 2011 — Clearspring, provider of the largest online content sharing platform, announced today that it was named to the 2011 AlwaysOn Global list of 250 Top Private Companies in the category of digital media. The winning companies represent leaders in on-demand computing, digital media and entertainment, and greentech, and were selected because of their innovation and leadership. Clearspring will be among the winners honored at the AlwaysOn Silicon Valley Innovation Summit on July 27, 2011.

"We are excited AlwaysOn chose us as one of the leading innovators in digital media this year," said Hooman Radfar, founder and CEO of Clearspring. "With the vast amount of rich user data available today, it is critical that publishers and advertisers are able to quickly and effectively leverage it to extract key insights and better meet objectives. At Clearspring, we're capitalizing on new trends in digital media to help our customers harness this data, better facilitating social sharing and audience targeting across the web."

This summer Clearspring launched new real-time analytics and mobile sharing capabilities for its AddThis platform-which reaches more than 9 million domains and 1 billion unique users monthly. The company was the first social sharing platform to optimize for the mobile environment and offer comprehensive real-time insights about all sharing behavior. Clearspring also continues to grow its advertiser offering, leveraging its proprietary real-time data processing engine to aggregate and synthesize anonymous influence and intent data from across its AddThis platform. Clearspring builds and delivers these valuable audiences to agencies and advertisers through partnerships with today's leading ad exchanges, demand-side platforms and trading desks.

"This year's AlwaysOn Global 250 are companies driven by the biggest mega-trends, including the accelerating growth of mobile users, cloud computing, and SaaS offerings, globalization, and the socialization of commerce and basically everything online," says Tony Perkins, founder and editor of AlwaysOn. "This year's winners clearly represent some of the highest-growth opportunities we've seen in the private company marketplace in the history of the global Silicon Valley."

For the full list of the Global 250 Top Private Companies or to learn more about the Silicon Valley Innovation Summit, visit: http://www.aonetwork.com/AOStory/Announcing-2011-AlwaysOn-Global-250

About AddThis

AddThis is the leader in socially connecting publishers, services and advertisers to audiences on the open web. Reaching more than 1.3 billion unique users monthly, AddThis' social tools and analytics are used on more than 14 million unique domains to distribute and track digital content such as web pages, widgets, and videos to social networks, bookmarking sites, blogs, and more. AddThis' proprietary XGraph data technology processes signals from 70 percent of the world's web users to deliver real-time insights, data-driven tools, and high-performing audience products.

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