Tagging might help, at least at the story submission level.
It also offers a different perspective.
IMO even [strictly tech] [everything else] would work, although I'd prefer a more advanced option to filter out stuff.
It was tech+business before it was tech: The site started out as "Startup News" (which is when I personally have my fondest memories of it).
Looking forward to subscribing to the best sub-hackernewses.
This is the same difference as between traditional email folders and gmail tags.
[1] Evgeny Morozov's coinage, see: http://www.economist.com/blogs/babbage/2013/05/evgeny-morozo...
I can't think of anywhere that I can read a discussion on technology politics that's actually dominated by informed, educated technologists. With the best will in the world, the Guardian Comment Is Free section or /r/news doesn't have the quality of commentary.