Yahoo Pipes:

• NPTech Digest - a pipe that pulls together information from a variety of search sources to show unduplicated NPTech news. Inspired by Marshall Kirkpatrick's post  How to Build an RSS and Blog News Site for Your Project
• NPTech Popular -- the same feed as above run through AideRSS to get a dose of popularity.  Again with the inspired (and outright helped) by Marshall Kirkpatrick.
• Social Actions Ubiquity command: searches social actions for a related command