Insights:

1. Chunking relates to the human brain's ability to group large amounts of information into clusters that are bound together by meaningful connections.
2. We can take in lots of information, find logical connections, and store it in a mental file as if it was a single piece of information.

References:

1. Dutch psychologist Adriaan de Groot (1965) - study of chess players.
2. William G. Chase and Herbert A. Simon (1973) - study of chess players.