Cognition, a developer of AI coding tools, has acquired Poke, a messaging platform that allows users to interact with AI assistants in a conversational manner. The acquisition integrates Poke's interaction model with Cognition's coding agent Devin, highlighting the growing importance of AI's user interface in the industry. This move reflects the increasing recognition that the way AI systems interact with users is a key factor in their overall effectiveness. The acquisition's value is reported to be in the low nine figures. This development matters as it signals a shift in the focus of AI development from solely improving models to also prioritizing user experience.