Twitter Users Beg for Invite-Only Code to Jack Dorsey-BackedSocial Media Platform: ‘I Would Pay Up to $250’

SAN FRANCISCO—At a recent event hosted by a tech company, dozens of San Francisco young professionals and others crowded into a basement event space decorated with string lights and munched on pizza and sipped LaCroix.  Like attendees at so many Bay Area gatherings, they were chasing the latest hot new thing. This wasn’t the real place they wanted to be.