This is a great new app for the iPad. It costs only 99 cents. It alllows you to use a stylus to take notes, linked audio recordings, PDF annotations, Advanced Word-Processing, inserting photos or drawings, and more.

Will great free courses drive down applications to places like Stanford? That's doubtful. It's more likely that these offerings will help build a stronger university brand. Writing about the success of a Stanford online computer science course in the Wall Street Journal, Holly Finn implies that free Web-based education is about to or should replace elite universities: It's a thrilling collegiate coup.