These guys do great work.
For others, see:
On RSS: http://www.commoncraft.com/rss_plain_english
On Social Networking: http://commoncraft.com/video-social-networking
On Social Bookmarking: http://www.commoncraft.com/bookmarking-plain-english
To keep in touch, generate conversation (and a hint of controversy), and opine.
These guys do great work.
For others, see:
On RSS: http://www.commoncraft.com/rss_plain_english
On Social Networking: http://commoncraft.com/video-social-networking
On Social Bookmarking: http://www.commoncraft.com/bookmarking-plain-english