http://www.isnare.com/?s=author&a=Brett+John Internet Brett John Thu, 22 Jan 2009 00:00:00 +0800 http://www.isnare.com/?aid=262255&ca=Internet Some disadvantages and constraints of e-commerce include the following. 1. It is possible to visit a local music store and walk out with a compact disc or a bookstore and leave with a book. E-commerce is often used to buy goods that are not available locally from businesses all over the world, meani...