The Magical Number Seven, Plus or Minus Two
psychclassics.yorku.caMine is approximately half of that.
Eagerly awaiting artificial memory implants. 'l be the first in line.
Mirror? Seems dead from here.
Too lazy, but you can just google "miller magic number" and it explains to you that we can remember 7 +- 2 elements at the same time and discusses a few implications, such as phone numbers having 7 digits.