How to shoot B-roll that doesn't suck

B-roll is the footage thats put in-between interviews during a documentary. Good B-roll in a project will keep the viewer interested in the video through many different methods. One way to keep a viewer interested in something is to give the shot a sense of movement. For example, by using a slider shot, you can make something boring like a conference room feel like it has more space and meaning  through a simple slide movement. Another way to make B-roll not suck is to properly space out each shot. If theres too much B-roll at one time for too long, the viewer might become disinterested in the project. Without good B-roll, viewers or even the client might become uninterested in the product.