Ideas, unlike people, age in reverse

The longer an idea survives, the longer it lives.

Which is why 100 years from now people will more likely still play Mozart's music than Ariana Grande's.

Or why 100 years from now people will more likely still read the Bible than Tony Robbins’s latest book.

This is the Lindy effect in action.

The Lindy effect is very simple to understand, really.

If somethin…