More and more people understand that texting while driving is a bad idea, but RIM has just been granted a patent that would have smartphones step in before things get out of hand. Going beyond just filtering inbound messages like some motion-based lockdown apps, the BlackBerry maker's invention also turns off the creation of any outbound messages as long as the phone is moving within a given speed range. The override for the lock is the dictionary definition of ironic, however: the technique makes owners type out the answer to a CAPTCHA challenge onscreen, encouraging the very problem it's meant to stop. As much as we could still see the hassle being enough to deter some messaging-addicted drivers, we have a hunch that the miniscule hurdle is a primary reason why the 2009-era patent hasn't found its way into a shipping BlackBerry. Maybe RIM should have chronic texters solve a Rubik's Cube instead.
RIM patent uses motion, CAPTCHAs to stop texting while driving, shows a fine appreciation of irony
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