Ethan Marcotte’s 2010 article on responsive design shifted web user interface thinking away from fixed layouts. He proposed a single interface that adapts to different devices instead of creating separate versions, which allowed designers to focus on essential elements. This approach highlighted a paradox: simpler devices often provide better user experiences because they align more closely with user needs. However, organizations tend to clutter these designs with unnecessary elements, detracting from user goals. This ongoing issue is evident in the stark differences in user experiences between apps and websites for banks and ecommerce. A new era of design is emerging with coding agents like Claude Code and OpenAI Codex. These tools allow developers to work more efficiently by iterating on tasks and accessing various utilities from their command lines. This shift is not limited to developers; non-developers are also finding effective ways to use these agents for tasks like managing schedules or organizing files. The simplicity of command-line apps facilitates a clearer understanding of the underlying systems, allowing agents to combine multiple tools into cohesive workflows. The author argues that this evolution in technology could redefine app design and business interactions. With coding agents, tasks can be expressed in natural language, revealing the core capabilities of applications. By stripping away unnecessary complexity, design becomes a strategic endeavor focused on user needs. The potential for customization and clarity could transform how users interact with software. As the industry moves towards these agentic workflows, it raises questions about what capabilities organizations truly offer and how they communicate those to users.