[spamuell]

i remmmebr raeding a rbuteall of tihs smowehre wichh siad taht teh onyl raesno taht yuo culod do tihs wsa beacuse yuo cainbet epcexted teh wrod btu if saitrs yuo didnt epxect it tehn tweor yuo dnot konw waht ti maens.

I bet you had trouble with the (mispelled) words "cabinet", "stairs" and "tower" in there (which I inserted randomly) because out of context you wouldn't expect them so you can't read them nearly as easily as words you expect.