you can also programmatically force it to refresh the cache via a POST to https://graph.facebook.com/?id=http://google.com&scrape=true https://graph.facebook.co

you can also programmatically force it to refresh the cache via a POST to https://graph.facebook.com/?id=http://google.com&scrape=true https://graph.facebook.com/?id=http://google.com&scrape=...