Here is my choice from the C’s:
Conversations with Dina is an interesting mix of tech, blogging, travel, philosophy, etc. Most of it’s interesting, but what put her over the top is her take on Plaxo. Her experience with Plaxo sounds like mine when I stupidly signed up on Classmates for one day, which was a piece of cake compared to when I signed up on Ancestry during the only 10 minutes of my life when I wondered about my ancestors. People from Ancestry called (yes called) me at my office more than my wife until I screamed at them to stop.