Vintage Posters Highlight a Century of Innovation

For a peek inside 100 years of cutting-edge inventions, take a look at this gallery of 20th-century advertisements.
 
They show how products that we take for granted today, like bicycles, electric trains and radios, were once strange and wonderful enough that they needed bold, artistic introductions.
 
http://www.wired.com/gadgetlab/2011/02/vintage-posters/