Acoustic Wave Prevents Game Addiction?
 

Get this, a Korean company says they have developed a device that makes gamers stop playing by playing a sound bite (telling the gamer to stop playing) up to 20,000 times a second. I hate to break it to those guys but a device that nags you to stop playing video games 20,000 times a second has already been invented…it’s called a “wife”. (src: HardOCP)

http://times.hankooki.com/lpage/2007...0190210160.htm