answer: #Person2# buys a lot online and introduces to #Person1# the advantages. #Person1# will try it someday.
documents: #Person1#: You sure are buying a lot of things online.
  #Person2#: Yes, I ordered a camera and some personal care stuff online yesterday. They will be delivered in two weeks.
  #Person1#: What are the advantages of buying online?
  #Person2#: Sometimes you can save money and you can find things that you had difficulty finding in a store. sometimes it's just convenient, like doing it late at night and sometimes it's just fun.
  #Person1#: The idea of doing it at night is interesting. Maybe I'll try it some day.