This document discusses the evolution of roles in UX/UI design and development over time. It presents a brief history starting in the 1990s with webmasters and designers focused on HTML. By the late 1990s, developers also worked with HTML and usability/UX emerged. The roles continued to expand and combine skills, with modern practitioners often working across UX research, interaction design, visual design, front-end development, and considerations for accessibility. The document suggests that while specialization can be valuable, it is also beneficial for those in UX to learn some front-end development skills to enable quick prototyping and understand rich interactions and responsive design.