I don't think e-book subscription websites are a viable business model. (goodereader.com)
Your online account Your Online Account is a dedicated subscriptions website, developed to allow you to stay in control of your subscription. (motorsportmagazine.com)
However, the main difference can be found in the quality of the service that subscription websites offer — if it is quality you are after then paid is the only way to go. (datingforgirls.net)