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A comment on Chocolate maker Mars has ordered a recall of chocolate products in 55 countries. Parent comment

Re:Chocolate maker Mars has ordered a recall of chocolate pr... by prawn on Tuesday February 23, 2016 @06:26PM (#11163224)
And AFAIK the caching will run for about 30 days unless you clear it manually or through the API. Might be different for major sites.
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Re:Chocolate maker Mars has ordered a recall of chocolate pr... by jonah on Tuesday February 23, 2016 @08:19PM (#11163766)
Yeah, it caches the preview.

As mentioned in that doc, you can use the URL Debugger[1] to see the Open Graph data and even clear the cache.

I cleared the cache for the OP's BBC URL, try sharing it again and see what info you get.

[1] https://developers.facebook.com/tools/debug/

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