A lot of people become industry insiders by building other people's businesses. Then, when they can't overcome the inefficiencies, they leave and start their ow

A lot of people become industry insiders by building other people's businesses. Then, when they can't overcome the inefficiencies, they leave and start their own business. This is the story of Zoom, and others. Building someone's else's business, as a launchpad for your own, isn't a bad idea.