Green Bag Tag at CVS

Another store giving an incentive to bring your own bags!  While running errands today, I discovered that  CVS now has the "Green Bag Tag" program.  It's a little tag you put around your reusable shopping bag.  The tag costs 99 cents, and they scan it along with the Extra Care Card when you make a purchase.  You get a $1 "Extra Buck" every 4 purchases when you bring your bag.  The tag itself is made of corn, instead of plastic.