Years ago when Canada switched to the metric system, the government increased the tax on gasoline at the same time. People knew it seemed more expensive to fill up, but most didn't convert the $/liter into $/gallon. Without an obvious comparison, the government got away with an increase that would have otherwise cause protests.
At least i was not old enough to know so. <img src="/ubbthreads/images/graemlins/badsmile2.gif" alt="" />
