Read
this:
Aoccdrnig to a
rscheearch at an Elingsh uinervtisy, it deosn't mttaer in waht
oredr the ltteers in a wrod are, the olny iprmoetnt tihng is taht
the frist and lsat ltteer is at the rghit
pclae. The rset can be a toatl mses and you
can sitll raed it wouthit porbelm. Tihs is bcuseae we do not raed
ervey lteter by it slef but the wrod as a wlohe.
(It's funny, isn't
it? At first I thought it's my friend who typed it in hurry and with
so many typo errors, though I could read the whole passage.)