| Glancing through the project ideas. The market the author is trying to target in each of their ideas is hard to monetize without sales engineering. Selling OS and programming language is impossible today and was hard back then without significant moat into a niche field. Think of wolfram alpha. I suspect timing may have been an issue for Author's e-commerce idea. The craze for drop shipping and operating your own store is recent. You need logistics, manufacturing, etc on demand services to make it possible. Similar situation on payment, tax, etc side. It became much easier and hit mainstream somewhere around 2010. The primary target for assessment tool is in edu or enterprise. Both of which are hard to get in without competent sales. Dating and job board do not mix well. Monetizing any dating style app is hard without being a little unethical. E2E email service is not big of a sell given the protocol doesn't support it and most people will use unsupported mail service. It is not the primary reason people use protonmail or fastmail, may have been a positioning problem. |