They are a little sparse on the details in their marketing. Apparently the tags have embedded custom 915MHz radios and MEMS accelerometers in them. Articles wi

They are a little sparse on the details in their marketing. Apparently the tags have embedded custom 915MHz radios and MEMS accelerometers in them. Articles with a little more about them: 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... http://www.fastcodesign.com/1663528/green-goose-tracks-whether-your-kids-are-doing-their-chores http://www.fastcodesign.com/1663528/green-goose-tracks-wheth...