CALGARY – Shaw said Thursday that it is giving the gift of speed this holiday season by doubling the speeds of its top internet plans for all new and existing residential customers in Western Canada.All existing residential customers with Shaw’s Internet 300 and Internet 150 plans will be automatically upgraded in the coming weeks to 600 and 300 Mbps download speeds, respectively, at no additional cost. Shaw added that existing customers may get their speed upgrade sooner by power-cycling their modem beginning Monday, December 3.New customers may sign up for Internet 300 and Internet 150 plans starting aat $55 and...