There are many ways to identify your core audience, here are a list of a few ways to do it.

Analyze your competition: Study your competitors to understand who their target audience is and try to relate it to your social media platform.'
Test your marketing messages: Test your marketing messages and promotions with a small group of your target audience to gauge their effectiveness.
Conduct surveys: Surveys are a great way to gather information about your target audience and their needs and preferences. You can use online survey tools, in-person interviews, or focus groups to gather data.
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