If Google Maps had a Marauder's Map plug-in life would be a lot easier to navigate.
You could avoid running into your ex.
Or landlord.
An old craigslist roommate that used your toothbrush without permission.
Your boss...on a Sunday.
A bad OKCupid date you'd rather not make small talk with.
AN AXE MURDERER.
A one night stand from college.
Someone distributing pamphlets.
Or, conversely, you could use it to find someone.
