Metered Internet usage (also called "Usage-Based Billing") is coming to Canada, and it's going to cost Internet users. While an advance guard of Canadians are expressing creative outrage at the prospect of having to pay inflated prices for Internet use charged by the gigabyte, the consequences probably haven't set in for most consumers. Now, however, independent Canadian ISPs are publishing their revised data plans, and they aren't pretty.
If you're canadian you should vote against this. contact your nearest MP and tell them.
http://openmedia.ca/ has all the information you need.