Jupiter Media Metrix, an American media measurement and analytics company, was created via the merger of Jupiter Communications and Media Metrix in June 2000.
[1] The Media Metrix part of Jupiter Media Metrix was subsequently sold to comScore.
The AdRelevance product was sold to Nielsen NetRatings[2] in 2002 after the FTC blocked a proposed acquisition of Jupiter Media Metrix by NetRatings, and the Jupiter Research business was sold to INT Media Group in June 2002 for $250,000 plus the assumption of liabilities.
[3]