Shaw for the second time is boxed in Blue by the machine.
The news article about Monica Jacobs was published by the New York Journal. This is the paper that Maxine Angelis, the person of interest from Bury the Lede (2012), works for.
A character is named Haskell. This may be a reference to Haskell Curry, a mathematician and logician, who has the Haskell programming language named after him.
Greer uses a Huawei M835 smartphone.