 In 1999 this algorithm, along with some other web products, was sold to the U.S. company Netvision, to produce the high-rating portal NANA.Later on Ben-Shahar admitted in a newspaper interview that it was a mistake, by his own words – "My contract to Netvision was my first and last mistake to sell my soul to globalization monsters".Since then he put most his works and inventions, as well as some of his literature works, as an open source.