Sounds interesting…
“ "Crux" is the second book in the Nexus Trilogy by Ramez Naam. Published in 2013, it continues the story from "Nexus," focusing on the protagonist Kaden Lane. The narrative is set in a future where a nano-drug called Nexus enables mind-to-mind connections. The sequel explores the ethical and political ramifications of this technology as Kaden and others navigate a world filled with intrigue and danger.”