Theo Mercer is the editorial pen name used for research and historical synthesis published by the CodeHistory Research Desk. Articles are sourced, reviewed, and revised according to CodeHistory’s published research standards.
The Web began as a system for linked documents. Within a few years, code had moved into the browser and the document surface was becoming an application platform.
Open source changed more than licensing. It created a scalable social system in which software could be inspected, modified, forked, and maintained across institutions.
Git turned project history into a graph every contributor could carry locally. That technical decision changed the politics and scale of software collaboration.
The jump from predictive text to code synthesis created the technical runway for AI pair programming, vibe coding, and software agents.