I hate signing it when I'm first exploring an app. See DJ Patil's talks on building data driven apps. Our (user + application) first interaction is like a first

I hate signing it when I'm first exploring an app. See DJ Patil's talks on building data driven apps. Our (user + application) first interaction is like a first date. I'm not giving you access to my Facebook/Twitter/LinkedIn/Google account on our first date. I'm sure there are levels of access that can be granted to slowly introduce users to your app.