It sounds like you're saying replace the space limit with a time limit. Obviously you would not want to do that because your competition could shut you down pre

It sounds like you're saying replace the space limit with a time limit. Obviously you would not want to do that because your competition could shut you down pretty quickly. Perhaps you mean to add a time limit in addition to the space limit. You would have to tell that to prospective users in advance and that might increase their hesitation to register. I don't use the service but, if there was a publishing component to it, then you would want free content as a way of attracting others.