YouTube cards give you a mobile-friendly way to interact with your video viewers
With cards you can add a layer of calls-to-action (viewable across all devices) to your videos that will help you raise funds, sell merch, build your email list, announce upcoming events, drive subscriptions, and more.
Adding a YouTube card to your video is easy. To find out how, check out our quick tutorial above (which also talks about YouTube annotations).
Or, if you want more detailed instructions, check out “Building your fanbase using YouTube cards.”