Portable, Changeable Signs: These are mostly ground signs and indoor clues. Your staff can easily lug these signs around and the lettering with them can be changed easily to display the latest offers. These signs are normally placed on the just outside your shop, but some varieties may possibly placed indoors and some can be quite high-tech, too (for example, a scrolling LED indoor sign). Now you'd be scoffing saying comparable to "video's used forever, action no problem for CIOs". Ahh, but y...