Setting Tracking Number
What should the tracking number be?
The key goal is to avoid associating the number with the client, except via the Visits table
Strong encryption and other powerful technologies could be used, but we will adopt a simple scheme:
CDCxxxxxxxx
where xxxxxxxx is the hexadecimal number for
Months_in_operation * 1000000 + VisitID
computed by ...
Hex is a way to write the computer’s
internal binary numbers using digits
0,1,2, …, 9, A, B, C, D, E, F