What are the speakers talking about?

W: What do you feel like doing this weekend, John?
M: This weekend? Well, how about going to the new Italian restaurant in Chauncey?
W: Yes, good idea. I like Italian food very much.
M: Me, too.

M: How do you pay at the shops, Mary?
W: Why? By cash or card, of course.
M: Ever thought of your mobile phone?
W: Is it possible?
M: This time next year, perhaps. It’s efficient. Everything is done in 0.2 second, to be exact.