BusyBox: Digital Do Not Disturb Sign on Shark Tank Unexpected Hit

On Shark Tank, two entrepreneurs pitch BusyBox, a digital do not disturb sign designed to help people (professionals, artists, students) work uninterrupted while working from home. One customer said it was "an unexpected hit" at work.

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Steve Skillin ,Conor Smith , ,Shark Tank ,Christopher Willard ,Busy Box ,New England ,