… In gratitude for his book Real Presences—

Will and Idea:

A related shell game:

Ad for a talk at Harvard by Nick Bostrom in April 2010—

Click ad for background on the April 10 , 2010, symposium.

See also Bostrom on the The Simulation Argument
and the Log24 April 12, 2010, Shell Game post above.

Note the black diamond logo of Bostrom's Oxford institute.