Pick some topic areas that are popular with some subset of the population. There are various groups that would welcome having certain search terms dropped from the indices and others that they favor weighted more highly, for instance.
There are any number of ways to go to cater to specific search audiences. Start up multiple parallel DDG analogs of Google's Blackle <http://www.blackle.com>; site, for instance.
For the business folks, call it PinstripeSearch or PrivateSearch or something suitable for the target audience. Graft a different presentation with conservative fonts and typography and tweak the search index ratings for the audience, and off you go.
There are any number of audiences for specific searches.
Yeah, the indexes get huge.
But then you also get to cater to and advertise to specific audiences.
There are any number of ways to go to cater to specific search audiences. Start up multiple parallel DDG analogs of Google's Blackle <http://www.blackle.com>; site, for instance.
For the business folks, call it PinstripeSearch or PrivateSearch or something suitable for the target audience. Graft a different presentation with conservative fonts and typography and tweak the search index ratings for the audience, and off you go.
There are any number of audiences for specific searches.
Yeah, the indexes get huge.
But then you also get to cater to and advertise to specific audiences.