Google Earth continues to evolve and it becomes an even better waster of time or maybe a better educator. Or both. Recently I deleted more old e-mail messages than would have fit on 80 original IBM PC hard drives; we are becoming a nation of digital pack rats. In Nerdly News, there's a series of short items from the CES keynote by Bill Gates to questions about electronic voting and why phone companies are shutting off FBI wiretaps.