Right now:
* blekko.com is "10 blue links", desktop search, slashtags used to eliminate webspam
* rockzi.com is [/category /date], date sorted results for a category (slashtag), with an image-heavy UI, social voting, and user submissions
* izik.com is search for the tablet, image-heavy UI for ALL of the categories (slashtags) that we think may be relevant for a search.
All 3 build on the same underlying crawl and index dataset. Rockzi and izik share UI elements.