The signs are up!
In vivid pink, no less. This one (above) was snapped at Moorgate Underground, advertising all the Olympic delights that wait at the top of the Moorgate escalator (and along a few miles of track, of course).
Pink. Can't miss it.
That's why we've gone pink, too:
Look out for the pink edition of The Famous White Leaflet, dealing with all the London Walks during the great Olympic party.