C oncerns that the Elon Musk-era Twitter is not a brand-safe place for advertisers appear to have been well founded, as companies such as Microsoft, Disney, Adobe and the Telegraph found themselves appearing alongside a neo-nazi propaganda film last week. Europa: The Last Battle is pitched as a documentary, but is described by the Anti-Defamation League as a “World War II revisionist film … that claims Jews deliberately caused both World Wars”. But this hasn’t stopped brands algorithmically being placed alongside it on Twitter. Users were able to find household names such as Harper Collins, the NBA, Sony Music, Qatar...