Neural networks are like genetic algorithms in that both are systems that learn from experience.

Social media is like a market in that both are systems that coordinate the actions of many individuals.

A2E is like lipofuscin in that both are byproducts of the normal operation of a system.

Haskell is like LISP in that both are functional languages.

Quaternions are like matrices in that both are used to represent rotations in 
three dimensions.

Quaternions are like octonions in that both are examples of non-commutative 
algebra.

Memes are like viruses in that
