This site prompts you for your cell phone and if you expand the text, it states that it will charge you $9.95 per month. You know that such a charge will be impossible to cancel and that they must be making a killing from people who don't read carefully :(.
Its a disgrace to have such websites on the web. Show me some value, and maybe I would happily give you some money, but without letting me see what you offer, trying to sneak the $9.95 past me, etc. is just plain rude.