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by ajays 5513 days ago
It's obvious to you, dear HN reader. But please step out of this little bubble, and ask random strangers on Main Street (or whatever the equivalent is in your domicile) if they know how the "like" button appears on their web page; if they know what HTTP Referer means; etc.

I'd wager that 95%+ of the users on the 'net wouldn't know the implications of these buttons.