The New York Times reports that a problem in Carnivore fouled up an F.B.I. investigation two years ago that was apparently linked to Osama bin Laden's terrorist network.

They Weren't Careful What They Hoped For: Barnaby J. Feder discovers what children are learning from Internet e-mail experiments.

Vitamin Shoppe is moving into a big industrial building in North Bergen, N.J that had been leased to Webvan (now defunct) and lay unused for over two years.