Polaroid recently announced it will launch its PoGo portable photo printer later on this summer. First seen at CES 2008, the printer, whose name is short for Polaroid-on-the-go according to Polaroid, achieves its compact 4.7- by 2.8- by 0.9-inch size by not requiring any ink cartridges. Instead, it uses Zero Ink technology and ZINK Photo Paper as i
