sent00001

No product market fit. Poor cashflow management which caused us to run out of money before finding PMF.

A few years ago I got really deep into semantic web. As a software engineer I had major issues understanding all the standards, jargon, and even value proposition. Complexity is not necessarily the issue here, but on top of that I found it difficult to provide a reasonable business justification to my manager.

Very good point. I actually got the link a while back from someone from Google. But what you're saying makes 100% sense! You wouldn't know unless there is a concrete method to verify ownership of the domain.

Phishing is a big problem for non-technical users. Google's Phishing Quiz (https://phishingquiz.withgoogle.com) is a surprisingly good resource.