Today we have more possibilities to manage that than in the early days. Many things can be automatically generated/crawled/MLed or crowdsourced. Browser extensions can help to categorize almost all important websites.
Data sources like Reddit, Stack Overflow or Wikipedia already have many websites categorized. We just need to combine the data.
I did a few experiments myself trying to drive hierarchies from tag data. It works surprisingly well. There is even some academic work in this direction.
Today we have more possibilities to manage that than in the early days. Many things can be automatically generated/crawled/MLed or crowdsourced. Browser extensions can help to categorize almost all important websites.
Data sources like Reddit, Stack Overflow or Wikipedia already have many websites categorized. We just need to combine the data.
I did a few experiments myself trying to drive hierarchies from tag data. It works surprisingly well. There is even some academic work in this direction.