Human–Computer Interaction: How User Behavior Actually Shifted

Instead of ‘AI will change everything’, I looked at what actually changed in day‑to‑day behavior. • People expect natural language everywhere: search, filters, even support. I saw this in onboarding analytics — when we added a plain‑English product search, zero‑result queries dropped noticeably. • Tolerance for loading dropped: micro‑lags that were fine pre‑2022 now feel broken. I treat 200–400ms feedback as the new ‘polite’ range. • Trust signals matter more: inline explanations (‘why this result?’) and visible privacy choices keep users from bouncing. Lesson: HCI today is about expectation management — fast, explainable, and forgiving products win.