"President Abraham Lincoln was buttbuttinated by an armed buttailant after a
life devoted to the reform of the US consbreastution."
I particularly like the American 'Family Organisation' who decided to ensure gays were properly labelled, but then found the software was labelling runner Tyrone Gay as Tyrone Homosexual.
As a proof-reader, I'm quite glad that this proves why you need humans to proof-read. It's nice to know you're irreplaceable.