Sergey Brin spoke at PC Forum. Jeremy Allaire and Cory Doctorow covered it.
a search on a given string should always return the same results for any user. He gives the example of performing a search and sending the search URL via email. If it was profile/history driven, this would break. There are some benefits that could come from this, but he thinks the user interface and user education challanges would be substantial in making such a change in how Google works (or how users expect it to work).
Posted by Aaron Swartz on March 29, 2003 06:50 AM