Maybe it’s all part of a subtle personal privacy protection policy…
As you will see from the rest of the post, it appears that getting semantics right has not been a big priority for Facebook, at least not prior to the announcement. Here are the issues we identify:
- Open Graph Protocol does not support object disambiguation
- Open Graph Protocol does not support multiple objects on the page
- Launch partners have not implemented Open Graph Protocol correctly on their sites
- Facebook does not have the markup on its own pages that it asks the world to adopt
- A growing amount of user profile data is full of duplicates and ambiguity
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