Ted Dabney game. As "Pong" became successful, Dabney felt overshadowed by both Bushnell and Alcorn. He learned that Bushnell had patented his video circuit idea without including Dabney on the patent. Bushnell also had assigned Dabney a lower-level position in Atari and did not include him in high-level meetings. Around March 1973, Dabney left the company over this falling out, selling his portion of the company's ownership for . Dabney did continue to help Bushnell with starting his Pizza Time Theater (the predecessor of Chuck E. Cheese's) and Catalyst Technologies as an employee, being wary of Bushnell's previous treatment of him. Alongside
Nolan Bushnell take any body of knowledge from English language arts to foreign language, geography, multiplication table or chemistry tables, to parts of the human body and gamify the experience. BrainRush calls their underlying technology "Adaptive Practice." They have also developed an open-authoring system allowing users to quickly create games in different topic areas. Between 2010 and 2012, BrainRush ran a test in Spanish language vocabulary learning with over 2200 teachers and 80,000 students across the country and got an increase in learning speed of between 8–10 times traditional learning. BrainRush rolled out the full platform in the Fall of 2013. Bushnell