To prove that the iPhone’s virtual keyboard is just as functional as a physical slide-out version, YouTube user “konceptzoflife” loaded up the iTextSpeed app, which “tests WPM (words per minute) typing speed”. Video after the break.

At 83 WPM, he’s as fast on the iPhone as most secretaries are on full-sized keyboards (and even sounds sort of out of breath after the test – watch out for iPhone thumb, friend).

[via Gizmodo]