Beginning in the 1980s, The LEGO Group funded research of Papert's research group at the MIT Media Laboratory, which at the time was known as the "Epistemology and Learning Group." When LEGO launched its LEGO Mindstorms Robotics Invention System in 1998, which was based on the work of his group, it received permission to use the moniker "Mindstorms" from Seymour's 1980 book title. In The LEGO Group's LEGO Serious Play project, business people learn to express corporate issues and identity through the medium of plastic bricks.