Columbia Encyclopedia "This free online encyclopedia contains over 50,000 entries and more than 84,000 hypertext cross-references covering a wide range of research and reference topics. The Columbia Encyclopedia is one of the most complete and up-to-date electronic encyclopedias ever produced." http://education.yahoo.com/reference/encyclopedia/

Glassdoor.com "Glassdoor is your free inside look at more than 84,000 companies. Salary details, company reviews, and interview questions - all posted anonymously by employees and job seekers.  You must join for free to enjoy." http://www.glassdoor.com/index.htm

Academic Earth  "Academic Earth offers free access to video courses and academic lectures from leading colleges and universities."  "There are over fifteen hundred videos from MIT, Stanford, Berkeley, Harvard, Princeton, and Yale.  We are adding more every day.  Some of these are grouped into courses, which each contain anywhere from 4 to 50 lectures." http://www.academicearth.org/

Word Spy "The Word Lover's Guide to New Words."  "Search for a specific word to bring up funny quotations and a definition, or you can browse categories and sub categories like aging and death, hacking and hackers, entrepreneurs, jargon and buzzwords, art and design, drugs, euphemisms, sleeping or cell phones." http://www.wordspy.com/

LibrarySpot "This great reference site has links to encyclopedias, Top 10 lists, business references, public libraries and a LOT more." http://www.libraryspot.com/