I thought this had some kind of electronics in it though? Maybe I'm mis-understanding the product. > I met a guy who made an earring that vibrated when he got

I thought this had some kind of electronics in it though? Maybe I'm mis-understanding the product. > I met a guy who made an earring that vibrated when he got an incoming SMS. That was a 'smart' device that sat atop a piercing too... What makes this product interesting to me is that it's "off-the-shelf". The earing, while cool, is a home-made solution (I'm guessing). And to be clear: I don't think this product is revolutionary, I just find it interesting that things have become so small and cheap that we can do this en-mass.