I am sitting in a classroom at Harvard Law School, and the professor is giving a fascinating lecture about the Federal Rules of Evidence and computer files. Nevertheless, I'm having a hard time keeping focused: my eyes keep wandering over to the fast-paced game of solitaire the student next to me is playing on her $3,000 laptop with its bright 15-inch screen. Other days, I've seen students watching feature-length DVDs-with subtitles turned on so they don't have to wear headphones.

Select from the choices above to read the entire article.