From TFA: I would like to call for all comment systems to provide a mechanism to clearly indicate to users what rights they have and what rights they are

From TFA: I would like to call for all comment systems to provide a mechanism to clearly indicate to users what rights they have and what rights they are giving out when they write a comment. Next to 'Submit' button (small print): "by pressing this you agree with TOS". TOS: "You grant copyright on your comments to site owner" (or "you own your comments").