>By Amy Qin>March 14, 2016>BEIJING — Audience members using cellphones bedevil performers and presenters around the world. But in China, theaters and other venues have adopted what they say is an effective — others might say disturbing — solution.>Zap them with a laser beam.>The approach varies, but the idea is the same. During a performance, ushers equipped with laser pointers are stationed above, or on the perimeter of, the audience. When they spot a lighted mobile phone, instead of dashing over to the offender, they pounce with a pointer (usually red or green), aiming it at the glowing screen until the user desists.>Call it laser shaming.
Do most theaters have ushers anymore?