<A HREF="http://news.wired.com/dynamic/stories/G/GOOGLE_CHALLENGER?SITE=WIRE&SECTION=HOME&TEMPLATE=DEFAULT&CTIME=2008-07-28-00-09-23">Anna Patterson's last Internet search engine</A> was so impressive Google Inc. bought it in 2004.
She believes her latest invention, Cuil - pronounced "cool", is even more valuable - only this time it's not for sale.