Marc Armand Rousso is a French businessman, and the founder of Accoona.com, a business-to-business search engine, and X3D Technology.
Rousso thought online advertising revenues could be lucrative enough to make a business dedicated to philatelists profitable.
[2] Rousso was identified as having bought, at a 2010 auction, the Treskilling Yellow, a unique Swedish postage stamp printed in the wrong color.
On June 23, 2005, in the ABC Times Square Studios, the AI Accoona Toolbar, driven by a Fritz 9 prototype, played against the chess grandmaster Rustam Kasimdzhanov.
However, as The New York Times reported, "Accoona.com attracted only 106,000 visitors from the United States in July (2007), according to comScore, which monitors Internet traffic.