How to Apply for a Canada ETA Without Problem
http://mynicecanadavisablog5546.angelfire.com/index.blog/1687080/how-to-apply-smoothly-for-a-canada-eta/
The Canada eta is needed by people who will be traveling to Canada soon. If you're taking a flight to the country, you will have to show the ETA. The Electronic Travel Authorization is a requirement for your trip