When users press on the facebook share button - they get the share popup with the title, description and image, and a textbox with a gray text: "Say something about this..."
Once they click on the textbox - the text disappears and whatever they write appear there.
I would like to replace that gray, click-to-replace text with our own suggested text - something like: "I highly recommend this website".
Is it possible via AddThis or via Facebook's API directly?
Unfortunately there's no way to do this through either AddThis or Facebook's API. The only way you can control what's posted is using the Open Graph tags.
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