Company name: JumpTap
Where it's based: Cambridge, Mass.
When it was founded: 2005
Year it was a Fierce 15: 2007
Website: www.jumptap.com

Why it was a Fierce 15: JumpTap offered a white-label, mobile-oriented ad service and inked deals with Alltel, Boost Mobile and Virgin Mobile USA. The company's modular Mobile Search Platform used an intuitive user interface and a mobile-specific search engine complete with a turnkey advertising suite that paid carriers for user-selected sponsored links. Click here for more.

What has happened since it was awarded the Fierce 15: JumpTap has evolved from a white-label mobile ad company to providing a premium mobile ad network. Jumptap said its tapLink platform helps publishers and carriers monetize data assets and demographic and geographic data so that they can develop mobile advertising. Additionally, the company launched a new platform called TapMatch five months ago that is similar to Google AdWords and provides dynamic ad targeting. JumpTap still works with multiple carrier partners, including Alltel, AT&T, Boost Mobile, Virgin Mobile USA, the TeliaSonera Group and U.S. Cellular.