A celebrity backed ad-campaign run on Outdoor Plus' sites in association with Campaign has achieved double the industry average for spontaneous awareness. Andy Murray, Idris Elba and Paloma Faith were among the celebrities who sent personal messages to Londoners in a digital outdoor campaign by Outdoor Plus, doubling spontaneous awareness levels. Each message composed for the "#Message2London" campaign used a maximum of 10 words. No fees were paid to the celebrities.