Open source software has permeated practically every nook of the software world. The biggest companies and largest-scale systems all lean heavily on open source code. Yet, with the exception of Red Hat, no one has built a great business on top of open source software. That’s because what companies should be selling isn’t necessarily the software, or even support, says a16z’s Peter Levine, but a service that leverages open source. One example of such a service is DigitalOcean, which has built a cloud environment tailored to the needs of developers. DigitalOcean CEO and cofcounder Ben Uretsky joins Levine from his New York City HQ for a discussion about open source-as-a-service, how companies of all sizes should think about leveraging open source, and whether we’ll start to see a slew of specialized clouds geared toward different verticals.