Is Spelling correctly that important

Hello friends. We all must have faced problem in spelling any word at one point of time or other. But is spelling that important to express our views. Have a look at the following paragraph and decide it yourself:
Can you raed tihs? Olny srmat poelpe can.I cdnuolt blveiee taht I cluod aulaclty uesdnatnrd waht I was rdanieg.The phaonmneal pweor of the hmuan mnid, aoccdrnig to a rscheearch 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 canbe 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 tghuhot slpeling was ipmorantt!

So, next time if you mis-spelt something then don't worry your reader can definitely make a snese out of it... Enjoy mis-spelling