"Mr. Farrell says that according to various industry associations,
there are more than $2.5-billion in unused rewards points sitting in
Canadian accounts each year because many people find it hard to reach
a level where they can cash in the points for a big-ticket item, such
as a flight or an appliance."

http://www.kidsfutures.ca/corp/CORP_PressItem.aspx?ItemNumber=5

I need to find where he got this number from...

Tip for simular stats in the USA