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Comment by subpixel | Hacker News Reader

I also stopped dead in my tracks when I saw FB signup. But I'd appreciate the choice of using FB or filling out a quick survey.

I'm also willing to bet money that, faced with actually filling out a survey, many people otherwise reluctant to sign in with FB will just do it.

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Indeed, the internal monologue will almost certainly change from "Facebook? Are they planning to spam me/my friends?" to "Hmm, enumerating all my interests. Is it worth retyping all that to avoid facebook spam?" The latter is a real question with upsides and downsides. The former is all downsides.

Please explain how this app's use of Facebook Connect will make it possible for them to spam you and your friends in a manner different than they would if they just asked for an e-mail signup.

He's referring to the fact that they can't spam your friends with just an email address, but can request additional permissions (which are often clicked through) to do that on facebook.

Yes, but this app does not ask for those permissions.

As I indicated in my response. Your original question asked what one can do with Facebook login that one cannot with just an email address. Your friendlist is always communicated with Facebook login.

I like your thinking the problem is that we really need both:

1. identity + likes / interests 2. filling out activities as a backup in case they don't have interests on FB

My likes on facebook doesn't reflect my interests, I don't care much to them and I think it's the same for many other people.

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