Hey, how many experts do u see in the future on your platform? Have u done a social survey, how much are people ready for this solution?
In fact, it can be at least a billion users. If technology will be popular - it will be something like instagram or facebook. That is, "must have" on the smartphone

Any freelancer or teacher for sure. Or maybe a corporate consultant. I saw that there are people working for a certain organization as some kind of business coach or consultant on any technical or theoretical issues.