Every one of these replaces a confident guess with something checkable: how many people live inside a shape you draw, the exact move where a 1988 adventure game stopped being winnable, who actually said the line about the shoeshine boy, and where your afternoon went, recorded by a tablet by the door rather than by memory.
Draw a shape on the map; find out how many people you just enclosed
→ draw.city
It finds the moment a Sierra game stopped being winnable, and blocks it
→ github.com
Wall Street's favourite exit signal, traced to a book from 1959
→ quoteinvestigator.com
A spare tablet by the door becomes an honest record of the hours
→ punchy.live