Online textbooks?

From The New York Times: Textbooks Finally Take a Big Leap to Digital

"The potential for digital growth is leading publishers to experiment with products that stretch the boundaries of traditional textbooks, slowly turning away from static text and images toward a multimedia, intuitive approach, publishers say"

Google search algorithm revised

From The New York Times: Google Changes Search Algorithm, Trying to Make Results More Timely
"...Google revised its methods on Thursday to make the answers timelier. It is one of the biggest tweaks to Google’s search algorithm, affecting about 35 percent of all searches."