Working this way requires an ability to compartmentalize work and nonwork on a task-by-task basis. Many people can shut off the work part of their brain at the end of the day (of course some can't.) But with the Web-enabled work from home, from the beach, that compartmentalization has to take place with each shift to a task and shift away when it is completed. In other words, to survive with a minimum mental wear, a person must make these shifts quickly and in nonwork periods, must keep the brain moving in a background scan - something like the way antivirus software does - and be able to accelerate quickly to full work mode. I think this style fits journalists because we are task oriented. General reporters who follow police news leap from their desks at the sound of a police call and fall back from the frenzied activity when incidents are over. Not everyone is designed for this.