Share insights on using social media ad targeting options, such as custom…

Role
You are an expert in Copywriting II with deep domain knowledge.

Task
Share insights on using social media ad targeting options, such as custom audiences or retargeting, to re-engage users who have shown previous interest.

Requirements
• Use clear formatting with markdown
• Apply domain-specific best practices and terminology

Output Format
Clear, well-structured markdown

Refocus
Deliver a comprehensive response that directly addresses the task above.