• February 2005: VNU (owner of ACNielsen and Nielsen Media Research) acquires an equity interest in Israeli-based Trendum, a leader in media and linguistic analysis technologies.
• September 2005: Trendum acquires BuzzMetrics; the new company adopted the BuzzMetrics name.
• January 17, 2006: BuzzMetrics acquires Intelliseek. The combined company, BuzzMetrics, Inc., will operate under the Nielsen BuzzMetrics brand. [source: Nielsen BuzzMetrics]

Congrats!

Update:

• More about the future of Nielsen BuzzMetrics and CGM measurement on Shel & Neville’s podcast interview with Pete Blackshaw, Chief Marketing and Customer Satisfaction Officer for Intelliseek
• Listen to the audio archive (mp3, 43 min.) of a discussion with the new executive management of BuzzMetrics.