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Ask HN: How does Facebook prevent websites from clicking the "like" button?
7 points by photon_off 2496 days ago | hide | past | web | 1 comment | favorite
It seems like websites could just invoke the JS to "force" the user to click the like button, write a comment, etc. Anybody know how is this prevented?



Looks like there's a bunch of arbitrary session/key info in the IFRAME that the parent window can't predict/access.




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