Internet Explorer users have lower IQ says study

From the BBC here.

Internet Explorer users have a lower than average IQ, according to research by Consulting firm AptiQuant.

The study gave web surfers an IQ test, then plotted their scores against the browser they used.

IE surfers were found to have an average IQ lower than people using Chrome, Firefox and Safari. Users of Camino and Opera rated highest. . . .

(Firefox here.)