Making his mother see

I had some MOO cards printed from my flickr photos.

Ruben: What are those photo cards for?
Alix: Well, on the back it's got my name and phone number so I can give them to people and they know who I am.
(pause)
R: But you can't give them to blind people because they won't see it. What do you give to them?
A: ummm...