My insight into Twitter etiquette isn’t anything earth-shattering, but as the 140-character microblogging platform has become a daily tool for just about all of us, we’ve developed a loose set of norms when it comes to how we conduct ourselves on the service.
Everyday activities — commuting to work, walking the dog, grocery shopping — could one day help keep your cell phone charged, thanks to an emerging technology that converts regular motion into power. And while motion-harvesting mobiles might not become a blockbuster hit in industrialized nations, they could fill a real need in developing nations where the power grid is woefully lacking.