Trash can-sized robots could revolutionize how you travel — but there's a catch

Being followed around is at best annoying (by a nagging sibling) and at worst terrifying (by a suspicious stranger). But imagine using the art of lurking to your advantage. That’s the plan for Piaggio, the Italian company behind the Vespa. Their new robots, gitamini and gitaplus, and the accompanying app can hang on to your every move, carry your crap, stream your music, and track your miles.