I was actually just reading this today. It would be smart if you had an email collection field so that people could get updates to this (assuming you plan to keep it up to date).
While I'm not a fan of the paywithtweet feature, the document does have value. (hint the pay with FB doesn't really work 100%)
While I'm not a fan of the paywithtweet feature, the document does have value. (hint the pay with FB doesn't really work 100%)