We have seen so many different Google Doodles - the customised logos on the Google homepage - since they started in 1998 that most of us barely notice them any more. But there are just a few hours left to appreciate arguably the best Google Doodle yet - a playable, recordable homage to what would have been the 96th birthday of guitar legend Les Paul.
Hardly anything remains of the Google logo itself, abstracted into several guitar strings, bridges, a pick up and a recording button - but brush your cursor over the strings and they strum. Use the keyboard, and you can play chords. Click record - and infuriatingly, this feature doesn't seem to work outside the US - and record a few seconds of whatever you can create and share the URL of that recording. Send that URL to someone else and they can join in on a duet.
Failing that, record it yourself and post to YouTube. Plenty of people already have...
Other notable doodles this year celebrated Charlie Chaplin on 16 April, the 117th birthday of dancer/choreographer Martha Graham on 11 May and John Lennon's 70th birthday on 9 October. Another, to mark 30 years of Pac-Man on 21 May, generated more than 5m playing hours on the doodle alone. Such was the demand, Google had to create a permanent home for it.