This tip is for somewhat advanced users (and people who are trying to cut down on the amount of time they spend going through their RSS feeds). That’s just a warning, but don’t let it discourage you from reading on…
There are three types of subscription services you can utilize at del.icio.us (for me at least).
The first is what I’ll call “category” subscriptions. This is where you subscribe to something like http://del.icio.us/tag/productivity. This will give you all the web sites/pages that people bookmark and tag with productivity. That’s one that I subscribe to (cause I’m sure you hadn’t already figured that out).
The second type is “user” subscriptions. This is something along the lines of: http://del.icio.us/tag/devilishgrin. (These are real examples, people) I tend to think of this as slightly more “drilled down” than the category subscriptions since I keep an eye out for when users bookmark a lot of pages in a category to which I subscribe. From there, I’ll check out their page (like mine: http://del.icio.us/nelsoc. I used to use http://del.icio.us/new/nelsoc, but they’ve taken that away from me… Bring back the tag clouds!)
The third (and obviously final) type is “user category” subscriptions. This is what I try to use the most since it limits the amount of “crap” you have to sort through. Once again, learn by example: http://del.icio.us/tag/worldbfree/basketball. In case you are in need of an explanation: here I’ve noticed worldbfree posting things that interested me, so I subscribed to his feed. However, his interests, while as diverse as mine, do not exactly reflect mine (which is probably a good thing). So, instead of looking at all the things he chooses to bookmark, I’ve taken (in this example) only the things he categorizes as basketball sites/pages. Now, I don’t go around subscribing to just anyone’s del.icio.us feeds, so worldbfree should feel very special indeed. Of course, I’m the only one on BlogLines who’s actually subscribed to his feeds… but then, I’m the only one on BlogLines who’s subscribed to my feeds… and I don’t know where I’m going with this…
To recap:
First: Subscribe to categories
Second: Find users within the categories
Third: Find categories within the users within the categories
I wouldn’t recommend expanding the other way too often. The point for me is to cut back on the amount of time I spend in my feed reader, so adding users and/or categories is something I do very judiciously.