Are e-newspapers beneficial to the publishing industry?

Primary research
We intend to go out and hand out questionnaires and surveys and also have an interview with someone from the publishing industry.
Possible Questions we would ask:

1. Do you prefer reading a newspaper or a e-newspaper?
2. How much money do you spend on newspapers?
3. Do you care about the environment?
4. What are the reasons people don't read newspapers?
5. Is the e-newspaper more convenient?
6. What are the disadvantages of an e-newspaper?

Secondary research 

When finding out secondary research we would look online at websites some websites we could use are:

Advantages and Disadvantages of e-newspapers\
Information on E-Newspapers

Audience research