"From the crest of Dolores Park, Verity wondered if she could see the tower on Montgomery, where Gavin had first described the product that had turned out to be Eunice. There was no one for Eunice to facially recognize, looking out across the city, but the cursor, having become a white circle, was darting around the skyline, trapping invisible airborne somethings under a plus sign. “Birds?” Verity asked. “Drones.""
January 1, 1970
https://en.wikiquote.org/wiki/Jackpot_trilogy