Site owners can't prevent their data from going through a proxy. If they don't provide an API the service is going to look backward, and be less useful in the

Site owners can't prevent their data from going through a proxy. If they don't provide an API the service is going to look backward, and be less useful in the future. This type of system is inevitably coming because there's no way a human can possibly keep up with the number of new content services that are coming out.