“Raed taht” doesn’t work
Acodricng to raserech at Cmaribgde uitisnevry, it dsoen’t mtaetr waht oredr the lteerts in a wrod are …
Can we use word mangling in captcha software? Unfortunately, no. According to the report of Dmytry Lavrov, “in many cases computer reads taht btteer tahn hmaun cluod”.