Amazon’s recent unveiling of a Kindle Textbook Rental Service, which allows students to rent electronic versions of “tens of thousands of textbooks,” is the latest news in the radically changing textbook publishing market. Amazon boasts savings up to 80% of the print cover price, offers very flexible rental periods, and enables students to access their…

If you’ve been in school in the last decade or so, you were probably given a handout at some point explaining how to evaluate internet sources. These documents usually give a list of criteria to inspect on a website so you can determine whether it is authoritative and reliable. I remember being told to investigate…

Update: Late in June 2011, Google pulled third-party reviews from its Places pages in order to emphasize reviews from Google users. They did keep a small link to other sites around the web with reviews, however, so traffic generation is still possible. As I was checking the analytics for my sites the other day, I…

Google recently made a major change in its algorithms in order to improve the quality of search results. It affects about 12% of searches, making it much more significant than its frequent smaller tweaks. It’s a timely development for people who are claiming that Google is losing the war against spam. Google’s Amit Singhal and…