Bulletin Today | TechnologyIf you watch TV, by now you’ve probably seen the pool-party commercial for the new Samsung Galaxy S4 smartphone. The spot shows hip college-age revelers befuddling their iPhone-using elders with all of the phone’s flashy technology — such as the AirView feature that allows users to answer the phone by sweeping their fingers over the screen without actually touching it, a camera mode that allows them to take rapid-fire pictures of moving objects and an app that transforms the phone …