ROI: -99%

June 27, 2000: Media Metrix, Jupiter merge in $414 million deal. “Media Metrix today said it will acquire Jupiter Communications for $414 million in stock. The merged company will be called Jupiter Media Metrix and will have a combined market value of $1 billion, the companies said.”

June 21, 2002: Jupiter Sells Research, Events Business to INT. “Jupiter Media Metrix Inc. said on Friday it would sell its research and events business, essentially the last of its operations, to Internet media company INT Media Group Inc. for $250,000. Earlier this month, the company sold its Media Metrix Internet audience measurement service to ComScore Networks Inc. for $1.5 million. Last month it sold its European measurement service to rival NetRatings Inc. for $2 million.”