One solution is auto-responder SMS coupons. Walk by Starbucks, see instructions in the window to text them for an instant coupon, do it! I'm building a platfor

One solution is auto-responder SMS coupons. Walk by Starbucks, see instructions in the window to text them for an instant coupon, do it! I'm building a platform for this right now. Obviously it's not rocket science, and something like the blog mentions would be much better.