In Part 3, Birthdays, Mathemagician, and professor of Mathematics Dr. Arthur Benjamin performs his stunning feats of mental math on the Venafi stage at RSA Conference, 2008. Audience members are wow-ed as Benjamin tells them the day of the week they were born on when they share their birth dates.
Download the complete video and learn the secrets behind Benjamin's tricks free at http://www.venafi.com/prestopreso.
where the hell is part 2
r0llskyay0 10 months ago
very gimmicky
joejacksonriley 1 year ago