B-roll is the visual footage edited over your interviews to add interest and context.
It's also used to cover up a jump cut in an interview or cover up mistakes.
Basically, b-roll allows you to piece together the best parts of a conversation
and it's always best to shoot more b-roll than you think you'll need.
So basically while you see the B-roll shots, you'll still hear the person's voice continue in the background.
So it's important your b-roll shots compliment what's being said in the interview.
All in all, they'll help to keep your video pacey and keep the interest of the viewer.
Here's an example of B-roll...
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