선생님 칠판 필기 스타일 인포그래픽

A chalkboard-style educational infographic summarizing [AI technology news and search results]. Hand-drawn chalk illustrations, flowcharts, simple diagrams, and handwritten explanatory notes in white and pastel colored chalk on a dark green classroom blackboard. Teacher-style layout with structured sections, arrows connecting concepts, and easy-to-understand visual metaphors. Realistic chalk smudges, faint dusty blackboard texture, and clear, legible handwritten chalk lettering.