Telecom companies are turning to outside help in order to manage the floods of data coming from smartphones, set-top-boxes and other consumer technology. Canada’s biggest telecoms — BCE Inc., Rogers Communications Inc. and Telus Corp. — are working with companies large and small to make sense of the data and put it to use to repair and expand their networks, target advertisements to the right consumers, and build what one expert called a “sticky” business model that uses data to keep and engage customers. “Carriers have no shortage of information in their...