s subscribe button will light up whenever video creators mention it - The Verge

As part of a bunch of updates, when a creator says the words “like” or “subscribe,” will add a visual cue over the corresponding buttons.

My Year in the No-Man's-Bay

Like, Subscribe, Notification green screen

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How to Add a Subscribe Button to Your Videos - 2019

600+ Free Subscribers & Subscribe Videos, HD & 4K Clips - Pixabay

HOW TO MAKE SUBSCRIPTION POP UP, HOW TO PUT GREEN SCREEN SUBSCRIBE BUTTON

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Say “SUBSCRIBE” = GLOWING button #