Late night’s new paradigm, experts say, is tech-savvy, younger-skewing and much cheaper. That fits a time in which many viewers are forgoing watching an entire program at its scheduled time, opting instead to watch a few minutes on their phones or tablets the next day. With his frequent YouTube videos, ragged skits featuring family members and interactive stunts such as tongue-in-cheek National Facebook Unfriend Day, Jimmy Kimmel’s move to 11:35 p.m. shows that his program is tailored for this new era. (Ricardo DeAratanha / Los Angeles Times)