sentences:  Manufacturers started adding innovative features to games in the 2000s.Konami used motion and position sensing of the player in "Police 911" in 2000 and Mocap Boxing in 2001.Sega started using "Tuning cards" in games such as the "Initial D" series of games allowing the customer to save game data on a card vended from the game; Namco copied the idea with the "Maximum Tune" series.