Apple have just announced the latest iPod Shuffle. It is the smallest iPod yet—about the size of my thumb but thinner. They have managed to make it so small by getting rid of the screen. All the output is by voice; press a button on the...

A wheelchair symbol is often used to identify information about accessibility of computer systems. At first sight this might seem reasonable as it is a well-known symbol for disabilities in general; but in reality does not make sense because...