When Sir Paul McCartney performed at the Santa Barbara Bowl, he promised fans an intimate gig. But the former Beatle went a step further than most by agreeing to engineer a makeshift "lockdown" on selfies and filming at the concert. All 4,500 fans had to place their mobile phones in lockable pouches for the duration of the concert, and enjoyed the gig completely "phone-free". "Nobody's got a phone," McCartney declared during his 25-song setlist. "Really, it's better!" he added. Achieving a