The video discusses how to grow affiliate income with pins on Pinterest. The speaker explains that adding affiliate links to pins is a great way to promote products. She demonstrates how to use the shoppable button feature, where users can add products that people can shop. The speaker also mentions that although this feature is currently underutilized, it can be beneficial for the end user. She advises viewers to start tagging products in their pins and experimenting with the feature. Additionally, she shares that Amazon is an approved platform for affiliate links on Pinterest. Overall, this training provides insights on leveraging affiliate links and maximizing their impact on Pinterest.