1. Lib 150 Section 13 Lloyd Chittenden Why is it drug addicts and computer aficionados are both called users? -- Clifford Stoll Please turn off cell phones

2. Assignment 3 Discussion You can still turn it in today, only -5 points OK to redo (-5 points if done next week) Staple old version to new May redo any section or entire assignment

3. Search Engines vs. Directories Search engines are automated systems that crawl websites for keywords. Directories are created by human selectors FLC Internet searching page

4. Invisible web Web sites that don’t often appear on search engines or directories. The invisible Web contains 99% of the information content of the Web. http://www.intute.ac.uk/ http://www.geniusfind.com/ aip.completeplanet.com http://www.surfwax.com/

5. Internet searching exercise Link to exercise from class web page Work in pairs

6. Next week Quiz 3 Reading Tips for Locating Nonprint Materials in the Library's Catalog Citing Nonprint Sources in MLA Style List of Web evaluation criteria Evaluating Internet sources. Web evaluation sites.