If we get a lot of value from posting reviews, we will have an incentive to post reviews even when we don’t have a strong opinion, but maybe to exaggerate it to get our review read. When we can’t trust reviews any more, they cease to be valuable. What then?
Helium’s user agreement is very thorough in explaining its agreement terms. However, the word non-exclusive has a whole new meaning on Helium. This site stands alone in the creation of its own set of rules regarding ownership.