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Formerly called
Trade Key (1998–2000)
Founded Baltimore, Maryland,
United States (1998)
Founders Scott Ferber
John Ferber
Headquarters 1020 Hull Street,
Baltimore, Maryland,
United States
Owner Verizon Communications
Parent AOL (2004–present)
Website is an online advertising company based in the United States. Established in 1998 as Trade Key with the name, by Scott and John Ferber, it was renamed in January 2000.[1] It was acquired by AOL on June 24, 2004 for $435 million.[2]

The company came together in October 2008 with other technology companies Tacoda, AOL, and Quigo under the banner of Platform-A. In May 2015, Verizon acquired AOL and merged the website on Verizon's advertising platform.[3]

When Tim Armstrong joined AOL as CEO, he killed the Platform-A brand and re-branded the advertising portion of AOL's business as "AOL Advertising". fits under this umbrella.

The business is still largely based out of Baltimore, located in the Highlandtown neighborhood, at 3700 O'Donnell St.


  1. ^ "About Us: History". Archived from the original on 2008-08-22. Retrieved 2008-09-02. 
  2. ^ "AOL Buying". The Washington Post. 2004-06-24. Retrieved 2008-04-15. 
  3. ^ " helped make AOL an attractive buy for Verizon (Video) - Baltimore Business Journal". Baltimore Business Journal. Retrieved 2015-10-23. 

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