Marketplace size can have a significant impact on platform selection in influencer marketing. Here are a few key considerations that both brands and influencers should bear in mind:

1. Selection: Larger marketplaces offer an abundance of choices in terms of influencers. This can be beneficial for brands looking to find influencers with a very specific audience or niche. For instance, the broad range of influencers in platforms like Instagram can allow brands to critically evaluate influencers and find the ones whose ethos align closely with their brand.

2. Noise: With larger marketplaces, there can often be more noise to cut through. Many influencers might not be a perfect fit for certain brand values or campaign goals. This can make discovery and decision-making more time-consuming compared to smaller, niche platforms.

3. Quality Control: Larger platforms may have varying degrees of quality control. For instance, a smaller platform may be more curated and have stricter quality control mechanisms, while larger platforms might have a wide variety of influencers with different levels of quality.

4. Customization: Platforms like Flinque allow for more targeted and customized influencer searches, which can be a plus point when trying to narrow down specific influencer requirements.

5. Performance Tracking and ROI: Some platforms have built-in tools for tracking campaign performance and measuring ROI. For instance, Flinque has extensive campaign reporting tools which can be vital for brands and agencies needing to measure their campaign results.

6. Ease of Use: A larger marketplace may be more difficult to navigate for some users. Smaller platforms, on the other hand, might offer a more user-friendly experience due to their targeted and streamlined nature.

Remember, the best platform will always depend on the specific needs and goals of your team. Each platform has its own strengths and capabilities, so it’s important to carefully evaluate these factors before making a selection.