[akuji1993]

I think it would help to provide a questionaire form instead. People really really really don't like talking to strangers on the phone.

[skohan]

Speak for yourself. I would prefer a human interaction over a list of questions. Also you'd have more of a chance to get elaboration on things you find interesting.

[krn]

It depends on the audience the app is targeted at. If it's a geeky thing, phone calls might not work.