RadiumOne, an online ad network that aims to combine social and intent data to serve ads, is taking on the likes of ShareThis, AddThis and other social sharing platforms today with the launch of Po.st

Po.st allows user to share content via Facebook, Twitter, StumbleUpon, LinkedIn, email, and other destinations. Po.st also provides publishers with new revenue opportunities and comprehensive analytics tools designed to drive higher engagement and lower customer acquisition costs.

For example, publishers can tap into RadiumOne’s client list of advertisers to fill their remnant inventory at rates far higher than they can source from exchanges, according to the company. Po.st can also show a display ad after a user has shared content, with publishers able to keep 100 percent of this ad revenue.

Using Po.st, publishers can get analytics on what their users are sharing, and more data. RadiumOne says that publishers can get the code and integrate with Po.st in less than 10 minutes.

Already, over 1,000 sites reaching over 250 million monthly active unique users are using Po.st, including Weather Underground, yFrog, CouponTrade and Dictionary.com, among others.

RadiumOne recently debuted its take on the group messaging space, PingMe. And the company just raised $21 million in new funding at a $200 million valuation.

Crunchbase

• RADIUMONE

Company: RadiumOne

Website: radiumone.com

Launch Date: September 2009

Funding: $33.5M

RadiumOne is the first Dynamic Audience Platform. RadiumOne’s Dynamic Audience Platform (DAP) harnesses social interaction data through its own first party products and delivers audience scale for today’s social Web. Each day RadiumOne sees millions of social sharing interactions from their Po.st, re.Po.st, Expressions, and Via.Me products as well as through various data partnerships. This dynamic data is constantly changing and being updated to ensure the most relevant and timely ads are being delivered. RadiumOne’s patent-pending ShareGraph™ technology operates in...

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