Bo Burnham, a former YouTube star, explores coming of age online in his new film ‘Eighth Grade.’ “This awful D-list celebrity pressure I had experienced onstage has now been democratized,” Burnham says. Ken Tucker reviews Gorillaz’s album ‘The Now Now.’ Viv Albertine was the guitarist and lyricist for The Slits, one of the first all-women British punk bands. She talks about her career-long fight against the patriarchy. Her new memoir is ‘To Throw Away Unopened.‘