I use this in a seminar I teach, it is a real eye opener. I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was redniag. The phaonmneal pweor of the hmuan mnid aoccdrnig to a rscheearch sduty dnoe at Cmabridge Uinervtisy, it deosn?t mttaer in waht oredr the ltteers in a wrod are, the olny ipromoatnt 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. Amzanig huh? Yaeh and I awlyas tohught slpeling was ipmorantt!!!