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 next billion AI agent users will not interact via developer-centric interfaces like Telegram. The winning platforms will be opinionated, provide guardrails, and hide technical complexities like tool calls, offering a user experience closer to a polished SaaS product.

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.

AI agents using free consumer services like Gmail for tasks will inevitably get banned for bot-like activity. This creates a clear market opportunity for API-first infrastructure built specifically for agents, such as AgentMail, which provides a reliable, stateful email service that won't be shut down.

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.

The business model is shifting from selling software to selling outcomes. Instead of creating a tool and inviting users, create pre-trained agents that perform valuable work. Then, invite companies to a workspace where this 'team' of AI employees is ready to start delivering value immediately.

The traditional per-seat SaaS model is becoming a "tax on productivity" in an agent-driven world. As companies buy agents to do work instead of software for humans, the model shifts. Sam Altman's comment that every company is now an API company reflects this move from user-based pricing to value-based, programmatic access.

Legacy systems like CRMs will lose their central role. A new, dynamic 'agent layer' will sit above them, interpreting user intent and executing tasks across multiple tools. This layer, which collapses the distance between intent and action, will become the primary place where work gets done.

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.