There aren't too many art exhibitions in Chelsea that you have to hunt for, with the rare exception being those fifth-floor galleries that don't seem to have an elevator or staircase. But even through Michael Manning's "Street Show: The Things Between Us" has a street-level Chelsea location, most viewers will pass it by without a second glance. That's because the entire exhibition is condensed onto a USB stick embedded in the façade of Eyebeam, a new media art center and gallery space on West 21st Street. The only way to view the show? Bring your own laptop along, and ideally your own USB extension cord, too.