https://www.reuters.com/article/us-canada-sidewalk/alphabet-fleshes-out-plan-to-develop-toronto-smart-city-idUSKBN1XP1UX >Alphabet's Sidewalk Labs has provided more details on the technology it intends to use to develop a futuristic smart city in Toronto, which includes self-driving garbage cans and infra-red sensors to track foot traffic in stores, a document released by the company on Friday said.