In the year since big Internet providers like Rogers Communications Inc. and BCE Inc. reintroduced unlimited-bandwidth Internet plans, customer demand has kept them in place. Whether that means bandwidth caps are on their way out or whether reports of their death have been greatly exaggerated remains to be seen. Bell launched a $10 unlimited Internet add-on option for customers that bundle at least three of its other services in January 2013, while Rogers put out a matching offer that February. A similar offer is available from Quebecor Inc.’s Videotron subsidiary, and smaller ISPs like...