Lets look at Google Timeline
  1. Never forget where you've been.
  2. Leaves a great audit trail.
  3. Wife always knows where I'm at?.......Wait, what?
  4. Could sell as a jigsaw puzzle.
  5. Always know which way is north.
  6. Where was at 8PM on the night of July 1, 2022

AND THE NUMBER ONE REASON.....NUMBER 7

It is late and I just can't come up with #7.