Barker Business Society / HackNotes

Ideas for
builders.

Clear thinking on AI, product building and the systems behind ambitious student projects.

Written to be understood, challenged and put into practice.

01 / Latest article

Loop Engineering vs Graph Engineering

One makes a system improve through repetition. The other makes complexity visible through relationships. The strongest AI products need both.

Next in the notebook

Practical articles on building with agents, finding real problems and taking products from idea to first users.