Using the QWERTY keyboard, the longest English word that you can type only with the left hand is “stewardesses“. The QWERTY layout was designed primarily to prevent jamming in typewriters during bouts of fast typing. It is generally considered to be more difficult to use than alternatives like the Dvorak Simplified Keyboard, which claim less finger movement and a reduction in errors.
Both Mark Zuckerberg of Facebook and Evan Spiegel of Snapchat became billionaires in their early twenties. [more...]