[cdonnellytx]

Maybe instead of "going dark" that should be what the homepage redirects to for that day. That way it raises awareness and provides reading material.

[huhtenberg]

I think it is safe to assume that everyone on HN is fully aware of SOPA by now.

[Joakal]

Not about the other anti-Internet attempts. I hope that the Internet Freedom message is displayed broadly alongside support for the SOPA protest movement.