- ndx index seems to lose documents.
  - e.g.
  1. visit goog:hell
  2. visit top link: wiki - hell
  3. visit hellomagainze.com
  4. search hell
  5. see results: goog/hell, wiki/hell, hellomag
  6. reload wiki - hell
  7. search hell
  8. see results: wiki/hell, hellomag
  - WHERE THE HELL DID goog/hell go?