When we owned a daycare we often talked about putting a barcode scanner or some other type recognition on the front door so that parents could get in the building without someone having to meet them at the door. 
And if we had looked online at posguys.com, we could have found exactly what we were [...]

My idea of convenient rests somewhere between ordering online and never leaving the house to shop and being able to put coupons on my phone and swipe them as I go.  The wonders that the idea behind a barcode scanner brought to the world of shopping many years ago has been more than advantageous.  Now, [...]