Doug & Serge of Toronto has begun a pro bono holiday season campaign in support of theDaily Bread Food Bank, also based in Toronto. The campaign, called “#Share2Feed,” makes use of street posters, washroom posters and other materials around the city. The creative encourages consumers to take photographs of the posters or of a meal and post them online via social media sites Instagram or Twitter. For each photograph posted between Dec. 9 and Jan. 17, the agency will donate a can of food to the food bank. “We thought this idea represented a great way to take advantage of…