Another possibility is a service that keeps track of people who give away their copyright rights. Or similar to a renewal fee which gets exponentially more expe

Another possibility is a service that keeps track of people who give away their copyright rights. Or similar to a renewal fee which gets exponentially more expensive with time, at the very least we could require they at least resubmit a request to stay copyrighted every year. The key is that you want some action to be taken otherwise fs no longer copyrighted by default.