Build a Content Marketing Calendar

Create a 4-week content marketing calendar for the following:

Brand / company: [describe briefly]
Industry: [industry]
Primary channels: [e.g. LinkedIn + blog / Instagram + email / Twitter + YouTube]
Content goal: [e.g. grow email list / drive product sign-ups / build thought leadership]
Posting frequency per channel: [e.g. LinkedIn 3x/week, blog 1x/week]

For each piece of content provide:
- Channel
- Content format (e.g. educational post, case study, behind-the-scenes, poll)
- Topic / angle
- Core message in one sentence
- Call to action

Group by week. At the end, add 3 content themes that should run across all 4 weeks to maintain consistency.