Brands can learn from different communities and resources to acquire best practices in influencer marketing. Here are a few:

1. Online communities: Join established online forums or groups such as Facebook’s ‘Influencer Marketing Community’ and LinkedIn’s ‘Influencer Marketing Strategies’ group to share and acquire new learnings.

2. Webinars and podcasts: Tune into webinars or podcasts from industry experts. In particular, there are series like ‘The Influencer Podcast’ and ‘Influence Global Podcast’, which offer frequent deep-dives into recent trends and practices.

3. Blogs and articles: Sites like Influencer Marketing Hub and Later blog offer articles, case studies, and how-tos that can help refine your strategy. They often provide valuable data-backed insights which could supplement your team’s decisions.

4. Research reports: Annual reports, like the ‘Influencer Marketing Benchmark Report’ by Influencer Marketing Hub and ‘The State of Influencer Marketing’ by Linqia, offer an overview of the industry’s direction.

5. Influencer marketing platforms: These provide tools, insights, and education within their ecosystem. For example, platforms like Flinque offer discovery, analytics, and campaign workflows. They organize webinars, offer resources to learn and succeed in influencer marketing, and are updated real-time with the latest trends and best practices.

6. Industry Conferences or Events: Attending these will allow you to hear from expert speakers and network with other professionals in your field.

Remember, suitability of resources can depend on your team’s unique needs and objectives. Learning is an ongoing process, especially in a dynamic field like influencer marketing, so it’s crucial to stay updated with the latest shifts and trends.