**Proposal:** a world where people have a form of telepathy that enables them to see what is seen by anyone else.

In this world, people would have difficulty hiding any complex task from other persons. For example, Person A can see what Person B uses for the combination of a lock unless Person B closes their eyes while opening the lock. Person A could see when Person B hides a key under the doormat, etc. 

Basically this telepathy allows spying on someone through their own eyes.

In this world...

1. ... what would people not bother hiding?
2. ... what would people still try to hide?
3. ... and what actions could they take when they wanted to hide something?