Looks like this was done before in Green Goose project in 2011 http://www.engadget.com/2011/02/23/green-goose-sensors-monitor-your-life-you-earn-experience-poin

Looks like this was done before in Green Goose project in 2011 http://www.engadget.com/2011/02/23/green-goose-sensors-monitor-your-life-you-earn-experience-point/ http://www.engadget.com/2011/02/23/green-goose-sensors-monit...