Good point, especially because at 33 bits, storing everyone's ID would only take about 29 gigabytes. 7,126,462,675 people * 33 bits per person / 8 bits per byt

Good point, especially because at 33 bits, storing everyone's ID would only take about 29 gigabytes. 7,126,462,675 people * 33 bits per person / 8 bits per byte = 29,396,658,534 bytes World population source: http://www.census.gov/popclock/ http://www.census.gov/popclock/