Considering the number of gadgets around this may come as a surprise. Sony‘s Walkman has been declared the best gadget ever by Pixmania.com. The poll conducted revealed one among ten Britons polled in favor of walkman. Production of the iconic Walkman cassette player ran from 1979 to 2010. During this span more than 220 million units were sold. The poll revealed that sales of retro gadgets have soared...