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:
- Immeasurably long period of time (Var.)
- Umpteen millennia
- Mind-boggling time span
- Reeeeeeally long time
- Very long time (Var.)
- Longest division of geologicalà time
- Gigayear
- Forever and a day, facetiously
- It's a real stretch
- Astronomically long time
- It seemingly never ends
- Long, long times
- Hundreds of centuries
- "___ Flux" (Charlize Theron film)
- 1,000,000,000 years, in geology