In planning an influencer campaign, optimal channel selection can be executed through thoughtful research and strategy. Here are some steps:

1. Understand Your Audience: Identify where your target audience spends most of their time. Different age groups, interests, and demographics favor different platforms. For instance, if your audience is younger, platforms like TikTok or Instagram may be beneficial.

2. Experiment and Test: Deploy small-scale tests on various platforms to determine which works best for your brand. Monitor results and adjust strategy accordingly.

3. Utilize Analytics: Use software solutions that provide audience analytics. Tools like Flinque can help you gauge platform performance, identifying where your content resonates most.

4. Consider the Campaign Message: Some content types work best on specific platforms. Instagram is great for visuals, YouTube for long-form content, and Twitter for short, snappy messages. Align the channel with your content.

5. Check Influencer’s Strength: Different influencers excel on different platforms. Use platforms like Flinque to discover, monitor, and assess influencers on various platforms.

6. Understand the Platform’s Nature: Each platform has unique features, algorithms, and posting guidelines that can affect your campaign’s visibility and engagement.

7. Monitor Competitors: Look at platforms where your competitors are getting engagement. This could signal where your target audience is active.

Remember, there’s no ‘one-size-fits-all’ approach. What matters is finding the optimal channel that aligns with your target audience, message, and influencer’s strength. Leveraging tools, like Flinque, can aid this process by providing valuable insights and analytics.