CALGARY – Shaw has unleashed Canada’s fastest Internet service in Calgary, Edmonton and Vancouver.Called 'High-Speed Nitro', the service boasts speeds of 100 megabits per second (Mbps).Shaw launched the service in Saskatoon, Victoria and Winnipeg earlier this year using DOCSIS 3.0 technology, meaning it is now available to over 3.6 million Canadians. www.shaw.ca