We have a budding activist for a son (he's 12). We all stand at our desks at our house, but our son, of course, has to sit all day long at school. We're encouraging him to start campaigning for standing desks at his public school, for all children. Yeah, yeah, I know; it'd be a change, and change is difficult, but it seems that the benefits to our society would far outweigh the fixed costs and the socio-educational-cultural adjustments that would have to be made. My own lay estimate is that we'd eliminate most of the childhood type-2 diabetes and improve the classroom educational environment.
angry tapir writes "More than 40 percent of the world's spam is coming from a single network of computers that computer security experts continue to battle, according to new statistics from Symantec's MessageLabs' division. The Rustock botnet has shrunk since April, when about 2.5 million computers were infected with its malicious software that sent about 43 billion spam e-mails per day. Much of it is pharmaceutical spam."
Although real rail service in the U.S. is not great (but look for it to get better), it does exist. See amtrak.com.