17 Hidden YouTube Hacks, Tips & Features You'll Want to Know About
Hubspot
AUGUST 29, 2016
These annotations work kind of like call-to-action buttons, and you can use them to link people to subscribe to your channel, to link to merchandise or a fundraising campaign, to go to another resource to learn more, and so on. If it's a CPM-based ad, then you have to watch the entire ad no matter how long it is. Made it this far?
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