There can be no banner ads or subscription fees. It should not be a veiled attempt to make money in some other way. Sites hosted at GeoCities or similar services that interpose their own banner and pop-up ads will not be considered. The Web service must be tasteful. We recognize that our definition of taste might not be shared by others.
Frames are bad.
The original Macintosh was fundamentally tasteful. The Web service must be used. We don't believe in any Web service idea unless at least 1000 people have had a chance to use it and send email to the site owner if they get confused. The ArsDigita Prize isn't a popularity contest, though. If your site is about quantum physics, you could win even without 100 MB daily server logs.