Gabriel Weinberg's Angel Investing Requirements

> Not interested in gambling, "adult," gaming, app companies, enterprise, or anything involving physical products.

It's fun to imagine what is in the software field that isn't in any of those categories, especially leaving out apps enterprise and physical. Apps includes web apps, desktop apps, and mobile apps unless perhaps he hasn't specified it well. The next Facebook only? Ah that's a web app. Wait no, it's a platform. So he wants platforms only?