Gridlinked is kind of a mashup of cyberpunk, first contact, a spy novel, and lots of other elements. I liked it fairly well, but there was one element which got on my nerves a bit. Namely, during much of the book, the viewpoint switches between two characters, but it switches so often that it's kind of distracting. It wasn't switching once per chapter, but once per couple pages or paragraphs.

Later on, this settled down, and Asher seemed to find a better rhythm for switching viewpoints, or maybe my brain just caught up with it. Either way, it didn't bother me after the first half of the novel.

There's a number of interesting unresolved questions in this book that are open to exploration in future books. It looks like Asher has written several other novels in this universe, so I'll be on the lookout.