Graham Brookie's phone buzzed, jolting him from a deep sleep. It was too early for his morning alarm, and his apartment was pitch black. He fumbled out of bed and silenced his phone as it buzzed over and over. The screen was an infinite scroll of menacing messages, offensive memes and conspiracy-laden tweets. Most people would be shocked at the torrent of vitriolic social media content, but Brookie just rolled his eyes. He was all too familiar with this type of attack and knew exactly what was coming next.