It's no secret that Facebook has become a major traffic driver for all types of websites. Nowadays even large corporations steer consumers toward their Facebook pages instead of the corporate websites directly. And of course there are Facebook "Like" and "Recommend" widgets on every website. One problem I've always found with sharing URLs on Facebook is that you often have no control over the image and description text that accompany the URL. Had I known about Facebook Open Graph API, I would've known the solution to that problem.
Facebook's Open Graph protocol allows for web developers to turn their websites into Facebook "graph" objects ...
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