Everyone seems to have websites that they love and frequent on a regular basis. Some are for business some are for pleasure. Many people frequent craigslist and ebay looking for a great deal on item they would like to purchase while others check out the drudge report for the latest on interesting news and politics information. What about business? Well you may want to do a reverse lookup on a phone number to verify a business address at whitepages.com or get in depth information on someone at pipl.com. My new favorite site is blackbookonline.info. This website offers a gateway into public information which may assist you. From criminal records to corporate papers to validating social security numbers, this website has it all and it's free! What are some of your favorite websites that you find invaluable?