We're generally reluctant to cover purely promotional stunts like these
, but when you decide to jack up a house-sized arrow on a crane and hang it next to London's Thames river, well, exceptions can be made
. Nokia's big push to inform the world that Ovi Maps is free -- now and forever
-- has culminated in the above sign, whose most appealing feature must be that it allows commoners like you and us to control it. People can send in a missive and coordinates via text or email, and then watch as the giant pointer rotates to the given direction and displays their wisdom to the world. See it in action after the break.