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7

The Facebook platform policy explains the rules. In particular: You may cache data you receive through use of the Facebook API in order to improve your application’s user experience, but you should try to keep the data up to date. ... By “basic account information” we mean: name, email, gender, birthday, current city, and profile picture ...


3

OpenID requires the user to be logged into the website of the OpenID account they are using. So unless someone is logged into that Facebook account, Facebook won't authenticate them and allow them to be logged into your website. So if someone uses the same email address as another person's Facebook account they will still fail to login. Update Facebook ...


2

Unless something's changed since this follow-up post to their social graph announcement, you can't. Except for people who are your FB friends. There's a lot of information, but you're primarily interested in these sections: What information about me does Facebook share with the websites hosting social plugins?, and Will people beyond my friends see what I ...


2

It's not needed, but it can be useful. The important bit in defining the use of og:title is "as it should appear within the graph." In general, you want that to be the title of your blog post(or whatever). If your site's HTML titles are just that, then there's no real difference here. On the other hand, many sites produce title tags that look like some ...


2

Ain't facebook using RDFa on opengraph etc tags? With html5 it's under development http://dev.w3.org/html5/rdfa/rdfa-module.html


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Ultimately this type of metadata is never going to be part of the W3C spec and is therfore never going to be seen as valid by any validation engine. I've used name instead of property before. Facebook's validator throws a warning but still parses the data and the page then passes a w3c validation.


1

Are we allowed to import these comments for display on our site? Technically speaking (and if I understand your issue well), those comments are not generated on your platform in the first place, so they cannot be covered by some kind of agreement between the user who created them and you. It is more like you are willing to import something your don't ...


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This issue comes from using gzip in my page. When I disable gzip, Facebook is able to scrape information from my pages. See: Response code 200 but nothing is scraped by the Object Debugger


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I guess you would be liable for a copyright suite from FB since the photos do not belong to you per se. I guess you could put in some sort of a T&C if its a login based site to work around this (meaning shifting the liability to the user which is a common practice these days).


1

Actually, there are a few ways to do this. It's just not as simple as simply embedding the Facebook social plugin. You can use the social graph API to fetch the last 500 fans to like a page. You can also gradually scrape the data by repeatedly refreshing the social plugin and recording unique user IDs. You can also use Facebook's JavaScript SDK to ...


1

The AddThis forum has several threads (example) over the last couple days reporting problems with the Like button, and an employee has confirmed something's going on at Facebook's end. He doesn't provide any detail, unfortunately, just the same boilerplate message in all the threads. My own client sites, one of which is also using AddThis for the like ...


1

Using the Social Plugin - Like Button you can't tell it to like a direct facebook object (update, comment etc.) For this you will need to use the Facebook Graph API for Posts. Furthermore, you would need to create an new Facebook Application, visitors then would need to accept your applications permissions to their facebook profile and then programatically ...


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Here's a blog post from Facebook on how to do it: http://developers.facebook.com/blog/post/498


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To share an image in a user's stream can be as simple as adding a correctly formatted link. However, I'm fairly sure that to upload to a user's album by clicking a button you'd have to make use of Facebook's API. While that's not a detailed answer, I have unfortunately never worked with it personally, so I don't have an example implementation. The place ...



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