As AI agents become the primary 'users' of software, design priorities must change. Optimization will move away from visual hierarchy for human eyes and toward structured, machine-legible systems that agents can reliably interpret and operate, making function more important than form.

The next generation of software may lack traditional user interfaces. Instead, they will be 'API-first' or 'agent-first,' integrating directly into existing workflows like Slack or email. Software will increasingly 'visit the user' rather than requiring the user to visit a dashboard.

The dominant paradigm of interacting with computers through graphical user interfaces (GUIs) is temporary. The future is a single, conversational AI agent that acts as an operating system, managing all your data and executing commands directly, thereby making applications and their visual interfaces redundant.

To avoid becoming a valueless database that AI agents simply crawl, SaaS platforms must fundamentally change. The pivot is from being a UI for human data entry to becoming an orchestration layer where humans and agents collaborate, with agents becoming the primary focus of the user experience.

The number of AI agents will soon vastly exceed human employees. This requires a fundamental shift in software development, prioritizing API-first design, reliability, and machine-to-machine interaction over traditional human-centric user interfaces.

As users increasingly rely on AI agents, traditional graphical user interfaces will become obsolete. SaaS products must evolve to offer conversational interfaces that other agents can interact with directly. The primary user will shift from a human clicking buttons to another AI sending messages.

As AI agents increasingly perform tasks on behalf of humans, they will interact with software via APIs, not UIs. To stay relevant, SaaS platforms must adopt a 'headless' (API-first) architecture that allows agents to programmatically sign up, configure, and use their services without human intervention.

Instead of interacting with SaaS GUIs (like Greenhouse for hiring), users will interact with AI agents. These agents will directly manipulate the underlying system-of-record data, managing entire workflows from a simple conversation and making the traditional SaaS application redundant.

Box CEO Aaron Levy predicts that as AI agents become the biggest users of software, the traditional graphical user interface will become secondary. Software must be available in a "headless" fashion, as agents will interact directly with APIs, not click buttons, fundamentally changing how enterprise software is built.