Disruptive Conversations

After installing the brand-new version 3.1 of the Facebook for iPhone application, I started to enable the "Sync" feature to sync my Facebook contacts with my iPhone contacts, when I was VERY put off by this warning screen shown on right:

If you enable this feature, contacts from your device will be sent to Facebook and your friends' names, photos and other info from Facebook will be added to your iPhone address book. Please make sure your friends are comfortable with any use you make of their information.

So my basic issue is this: WHAT IS FACEBOOK GOING TO DO WITH OUR iPHONE CONTACTS?

Obviously the app has to send my iPhone contacts up to Facebook so that Facebook can match up the contact info with the names of my friends in Facebook.

But then what?

Does Facebook then ignore my contacts? Are they stored in Facebook's giant databases? Will they all be spammed with info about joining Facebook? ("Dan York is on Facebook, why don't you join?")

I looked for some kind of privacy policy or other info in the Facebook app... on the iTunes page, on the page for the Facebook for iPhone app. I can't find one anywhere.

I do have people in my iPhone address book who have given me private/unpublished numbers. I'm not really comfortable having all that data sent up to Facebook if I have no idea what they are doing with it.

What's the deal, Facebook?

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