I don't know if this is known to you, but here goes.
I have posted this on my blog too, see it here.
I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg The phaonmneal pweor of the hmuan mnid. Aoccdrnig to rscheearch taem at Cmabrigde Uinervtisy, it deosn't mttaer in waht oredr the ltteers in a wrod are, the olny iprmoatnt tihng is taht the frist and lsat ltteer be in the rghit pclae. The rset can be a taotl mses and you can sitll raed it wouthit a porbelm. Tihs is bcuseae the huamn mnid deos not raed ervey lteter by istlef, but the wrod as a wlohe. Such a cdonition is arppoiately cllaed Typoglycemia :)-
Amzanig huh? Yaeh and yuo awlyas thought slpeling was ipmorantt.
I just find it really interesting, especially the last part about the spelling. ;-)