Mashable
The key insight of Web 2.0 is that information isn't powerful by itself; what's powerful are the connections and conversations that turn information into useable knowledge. That's where Mashable comes in. Founded in July 2005, Mashable is the largest and most popular blog focused on social networking. Besides relaying the latest news about Web 2.0 giants MySpace, YouTube, Facebook, and Twitter, it's loaded with tips on enhancing your own social networking experience (for example, how to delete the idiotic comments you made on YouTube so a potential employer doesn't see them) and making your blog more user-friendly.
Sample Mashable post: When was the last time you backed up the data on the various Google services you use? I thought so. Let's look at some easy solutions for extracting and backing up your data on popular Google apps and services.
Entry you'll never see: Despite the overwhelming popularity of Facebook, you have to wonder whether its users wouldn't be better off simply reading a book.