http://dormroomtycoon.com is pretty good. Although I am bias to say such thing as I started it. Areas covered include design, marketing and tech. Previous guests include Steve Blank, Guy Kawasaki, DHH, Eric Ries, Tim Van Damme, Elliot Jay Stocks. Just check it out!
3. How can they integrate this service into their daily life?
The answers to the above questions needs to be on the frontpage.
Action step: Take your laptop and go to a coffee shop or somewhere you can ask a lot of people and ask them to identify the main benefit of your service from just looking at the front page.
The feedback should push you in the right direction...