Some interesting limits that this frame of reference does not include:
The Planck Distance -- 1.6162 52(81)1035 meters, the distance below which discrete distances are meaningless;
The Planck Time -- 5.39124(27)x10-44 seconds, the interval below which discrete intervals of time are meaningless;
Also, the time in which light travels one Planck Distance.
-104 years -- Civilizations of the Fertile Crescent, Sumeria, etc.
-103 years -- Medieval Technology
-102 years -- The Age of Steam
-101 years -- The Age of Uucp and FTP
+104 years -- the Clock of the Long Now
+1010 years -- the Sun becomes a Red Giant star
+101000 years -- all matter in the Universe has dissipated