Uber's making it a bit easier for riders to let others know where they are and — perhaps more importantly — know how much longer it's going to take for them to get where they're going. With a new feature called "Share my ETA," Uber lets riders easily send out text messages with links to a live-updating map of their location. The map opens on the web as well, so recipients won't need to have Uber's app installed in order to view it. The app can also now estimate a rider's arrival time too, all as part of an update arriving on iOS and Android today that should make keeping others up to date on Uber-riders' whereabouts just a bit simpler — at least when they want it to be.