entrepreneur of the week. bath simple, a bath in the box concept treating the whole bathroom as a simple product. they put the bathtub, toilet, tiles and even the tiniest nails and screws all inside one box. for more watch "your business" sunday mornings at 6:30 eastern only on msnbc. drive the future of business. in here, inventory can be taught to learn. ♪ machines have a voice. ♪ medical history follows you. it's the at&t network -- a network of possibilities... committed to delivering the most advanced mobile broadband experience to help move business... forward. ♪ constipated? phillips' caplets use magnesium, an ingredient that works more naturally with your colon than stimulant laxatives,