The scope of information on the Internet is stunning. Not only can you find specific information on almost any imaginable topic, but you can also easily access basic reference materials. From thesauri and dictionaries to zip codes and yellow pages, the Internet can distill vast amounts of information into easily used, often searchable, formats. So if you want to find the area code for Akron, Ohio, a synonym for "fascinating", or the population of Germany, the answers are only few clicks away. Roget's Thesaurus - a useful (helpful, favorable, propitious, well-disposed) source for finding just the right word (term, expression, noun, byword) or phrase. U.S. Postal Service ZIP Codes - this site can save you a trip to the post office. If you need to know which U.S. cities and ZIP Codes go together, check here. OneLook Dictionaries - brings together a variety of general and subject specific dictionaries. With one click you can search over 100 sources, including a carnivorous plant dictionary, a variety of sports glossaries, Shakespearian terms and more. Yahoo! Yellow Pages - business listings at your finger tips. Search any U.S. city or ZIP code by business type or name. Four11 - find long lost friends using the Internet. Enter a name to discover email addresses, telephone numbers and street addresses of your misplaced pals. Britannica Online - all of the articles and images of the Encyclopedia Britannica offered as a subscription-based service. Not all reference materials online are free; if you have to pay for it in the "real" word, you might have to pay for it online. Research-It! - an almost frightening scope of reference materials gathered in one place. Dictionaries, thesauri, language translation, quotations, maps, currency converters and more. Learn2.com - a site that uses "reference" in its most general sense. Tips, advice and information on a variety of tasks and skills. Learn to...adjust your bike, fix a zipper, lease a car, and much more. Yahoo! Maps - tired of getting lost? Type in a U.S. address and get a detailed map (and driving directions) to any location.