History Timeline Maker: Visual Evolution Posters for Any Topic

(History Timeline Infographic Designer) Create a visually stunning infographic titled 'Marketing Agencies: From Headcount to AI Pipelines: Evolution Through Time'. Layout: 1. A central, flowing timeline with numbered/yearly milestones. 2. Each milestone features a key event, date, short description, and relevant illustration. 3. The theme is reflected in the color palette, icons, and background design. Style: Themed aesthetic (e.g., retro, futuristic, vintage), clean layout, detailed illustrations, high readability, consistent design language, vertical format, 4K ultra HD, direct image generation. Subject: 'Marketing Agencies: From Headcount to AI Pipelines' Evolution Timeline Infographic.