Last seen in:
- Wall Street Journal - Oct 10 2015 - October 10, 2015 - B & B's
- Wall Street Journal - Feb 27 2015 - February 27, 2015 - Positive Reinforcement
- Wall Street Journal - Mar 28 2014 - March 28, 2014 - Sloganeering
- Wall Street Journal - Sep 6 2013 - September 6, 2013 - Academia Nuts
- Wall Street Journal - Apr 23 2010 - April 23, 2010 - Presented in 3-D
- Universal - Jul 19 2009
- Wall Street Journal - Dec 8 2006 - December 8, 2006 - Caveat Emptor
- New York Times - Dec 1 2005
Related Clues:
- Division of about one billion years
- Long long time
- Billion-year period
- A bazillion jillion years
- With 64-Across, 2005 Charlize Theron title role
- Lo-o-ng time (Var.)
- Indefinable time period
- Forever, it seems
- Era upon era
- Largest geological division
- Indefinable time
- Vast time frame
- Stretch of time
- Cosmic cycles
- It goes on and on and on