Programmatically Clearing the Facebook Share Image CacheWhen you share a URL on Facebook, it scrapes the page for the URL for the Open Graph data to determine what image/video to display. Facebook caches the image for that URL, so if you change the image and then share the same URL at a later time, the old image will still get displayed, which is probably not what you want to do. Facebook provides the Open Graph Debug Tool that can be used to manually
