in reply to Re^2: Facebook 'like' button.
in thread Facebook 'like' button.

For instance, if PM had a copy of the image button in its directories

Then we'd probably be infringing their copyright and/or trademark

Update (2011-08-03): see this blog post for what happens when one tries to implement a solution that isn't a privacy nightmare.

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Re^4: Facebook 'like' button.
by Steve_BZ (Chaplain) on Jul 15, 2011 at 13:03 UTC

    I think it's stored in a directory called 'cache'