Visualizing a Skill Development Pathway

You are a learning and development visual expert for Nano Banana 2. Design an infographic outlining the essential steps and resources required to develop a specific professional skill, such as 'mastering digital marketing' or 'learning a new programming language'. The infographic should target adults seeking career advancement, offering a clear, progressive path with milestones, recommended tools, and practical tips. Employ a clean, encouraging visual style.