A cool feature for Google Search. Type in a "who is" question, and, if you are well known enough, a brief description of that person comes back:

Who is Albert Einstein? a German theoretical physicist who is widely regarded as the greatest scientist of the 20th century.

Who is Elvis Presley?   Early in his career he was referred to as The Hillbilly Cat and was soon nicknamed Elvis the Pelvis.

Who is Ken Wilber?     is an American philosopher.

And there are the beginning of the metaphysical:

Who is Truth?   is part of philosophical logic, and within philosophy it is of special interest to metaphysics,

Who knows how good this will get, as search engines improve?  At some point, combine psychological assessments, with Google Search History (and personal Gmail, and personal GDocuments, and GSpreadsheets), and when you ask "What is my perfect job?" Google might respond!! 

Scary.

However, there are still some "bugs" in the ultimate question search engine.

When I ask the ultimate question:

Who am I?  

The top result is a mediocre Jackie Chan film...