The following questions are from Ken Jennings's Trivia Almanac: 8,888 Questions in 365 Days
1) How many pips are on the two sides of the domino in the Domino's Pizza logo?
2) Of what famous family are Pongo and Perdita the parents?
3) What is the Pale Blue Dot in the title of Carl Sagan's 1994 book?
4) How many dot positions are there in each letter of the Braille alphabet?