50 greatest gadgets of the past 50 years

PCWorld.ca ranks the 50 greatest gadgets of the past 50 years which changed our lives and in some cases are still changing our lives. The Sony Walkman is PCworld.ca's greatest gadget of the past half century. For the complete list with the details pl. visit www.pcworld.ca//news/column/e550468f0a010408000b1b14a7c3c1c1/pg0.htm