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I apologize for the shameless plug, but we're at the early stages of solving some of the problems you mentioned at http://NowVia.com http://NowVia.com It lets

I apologize for the shameless plug, but we're at the early stages of solving some of the problems you mentioned at http://NowVia.com http://NowVia.com It lets you create topic-based "channels" that people can follow. So you could have one for 3-D printing, and when you add to it, you know everyone following it is specifically interested in 3-D printing. I'd love your feedback if you decide to have a play :-)

dredmorbius 12y ago
What I find works well: blog-style posting. With tags. In Reddit you can approximate this with post flair (tedious to set up, but doable). See http://reddit.com/r/AskScience http://reddit.com/r/AskScience or http://reddit.com/r/AskHistorians http://reddit.com/r/AskHistorians for good examples. Alternatively: an RSS reader with categorized streams I can follow. Again, Reddit offers this: http://www.reddit.com/wiki/rss http://www.reddit.com/wiki/rss http://www.reddit.com/r/pathogendavid/comments/tv8m9/pathogendavids_guide_to_rss_and_reddit/ http://www.reddit.com/r/pathogendavid/comments/tv8m9/pathoge...