Read the text below out loud, going as fast as you can.
I cdnuolt blveiee taht I cluod aulacitly mkae out waht I was rdanieg. The phaonmneal pweor of the hmuan mnid! Aoccdrnig to a rsceeeacrhr 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 olny the wrod as a whlohe. It mkaes up waht the ohetr lerttees are. In the smae way, the huamn mnid mkeas up mnaegnig form the fgemratns of ifmaonitron it cllocets, and tihs tehn becmoes its peceporitn of tutrh. We mkae up in our haeds waht we see and prevecie, our mnaegnig of tnighs. And tehn we dnot uesdnatnrd why ohetr ppoele do not prevecie tnighs the smae way we do.
Aimd goirnwg edinevce taht smoe of the tinsiet maraleits eevr ergeinened psoe petillontay big emovinertnel, hlateh and setafy rskis, menomutm is bindiulg in Cesgrons, in emovinertnel crelcis and in the irtundsy isetlf to beef up faredel orvishegt of the new maraleits, wchih are arealdy sowhnig up in deznos of cemunosr podcurts.