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Technically, "Open Graph", as I understand it, refers to a standard theoretically anybody could implement, not just Facebook (sort of like Microsoft's .NET).

However, in practice, , , and , from what I can see, are used as synonyms (sort of like Microsoft's .NET).

Should any/all of these tags be merged? (At the very least it seems like should get merged into , since it's already classified as a "Facebook tag".)

See also: Cleanup for the facebook-graph-api tags?

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(also, side note: lists facebook-opengraph twice.) –  Stuart P. Bentley Feb 7 '13 at 3:01
I just got stumped by this today. I was going to retag some questions that had both the open and graph tags, but I have no idea which tag to replace them with. –  LBT Feb 27 '13 at 19:05
The Graph API is the generic name Facebook gave to their API.. I don't think it is synonymous with opengraph... –  Lix Feb 27 '13 at 19:08
@Lix - true, but opengraph and facebook-opengraph is still valid. Also, the question was Should any/all of these tags be merged? I don't think that warrants a downvote. –  LBT Feb 27 '13 at 19:12
@lit - You know what... You're right... I must have missed the any/all... –  Lix Feb 27 '13 at 19:20
Huh, I guess since it's Facebook no one seems interested –  LBT Mar 1 '13 at 13:25
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marked as duplicate by phwd, Lance Roberts, animuson, hims056, Toon Krijthe May 4 '13 at 19:53

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1 Answer

is something very different than .

and are just like and and shouldn't be merged.

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opengraph is already categorized as a Facebook tag. Out of 1,227 questions using it, 99.9% of these questions are about Facebook (and almost all of them are tagged facebook to boot). –  Stuart P. Bentley Mar 5 '13 at 8:51
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