Macroscope employees.MacroscopeIt's been a decade since Kayvon Beykpour sold Periscope to Twitter for a reported $100 million, allowing the social media site to jump into livestreaming.Twitter shuttered Periscope in 2021, and the parent company, now called X and owned by Elon Musk, gravitated to a live events product called Spaces.Meanwhile, Beykpour, who spent seven years at Twitter after the acquisition, is back with Macroscope. He said on Wednesday that he's raised $40 million from venture in...