I like these suggestions for single-use websites. I'd much rather make a web-site instead of sending a paper card that will become either trash or a burden to store and preserve. The recipient doesn't have to make any effort at all to save the "card" and look at it again later. It is just there for them if they want to look at it. Good Stuff!
It's really simple to make mom a card and can be sent across the country without paying postage!