Chalkbot is a project from Nike and Lance Armstrong’s Livestrong foundation. The Tour De France is no stranger to messages of inspiration painted on roads but they’ve taken this one step further with Chalkbot. It’s a robotic “chalk painter” that sprays yellow inked messages on the roads that have been sent from the web or via text messages.

Head to wearyellow.com to get your own message in the Tour and if you submit a message you’ll receive a confirmation email along with the GPS coordinates of where along the Tour de France route the message landed. You can follow Chalkbot on Twitter too of course and the Chalkot site allows you to create wallpapers for your PC, Mac or iPhone that come out like this…

 

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Oh....and before you ask, the spray on chalk is fully bio-degradable and uses soy protein as a binder...so it’ll wash off!