For those of you who have friends who are new at wine tasting, have them take a look at the first three posts I made to my Zenergo.com blog at http://blog.zenergo.com/ -- The third post, at the top of the page, is advice: What wines it's safe for a beginner winetaster to buy -- and what it's not safe to try. Meaning: What you're most likely to enjoy, and what is probably too intense for a beginner.
This is a good article to send your friends and relatives too -- or even your wine-tasting group members!
Scroll down that blog to see another two postings that are informational: All about Red Wines, and the countries they come from; and all about White, Rose, Champagne, and Dessert Wines.
(Give them a red yourself -- I've had longtime winedrinking friends tell me they've learned a couple of interesting things from these three articles!)