Kaitlin Duck Sherwood's "A Beginner's Guide to Effective Email". This is another fabulous, informative site that's a MUST READ. People can learn a lot about you just from your e-mail address. Read this and evaluate how your address appears to others.
Want to know more about search engines generally? Check out these sites:
Search Engine Watch. This site details how search engines work, and tests provide stats on which are faster, better, etc.
Beaucoup.com. This site acts as a metalist of other, more topic-specific search engines. A lot of people don't know about these sites, but they can be very helpful in searching for info on a particular area of interest.
