A fan asked Neil Gaiman about it and here's the exchange:
A fan: "You're either paying homage to Gibson, which is weird because the two books are in different genres and he isn't mentioned in the acknowledgements, or perhaps there's some manner of Jungian collective unconscious phenomenon at work here, in which you have unwittingly mimicked Gibson, or..?"
Neil Gaiman: "Or it was a very small joke, essentially pointing out that since what is arguably the most famous opening sentence in SF was published in 1984, the nature of what a "dead channel" looked like had completely changed, from grey static fuzz to a pure dead blue. Well, I thought it was funny, anyway."
A fan: "You're either paying homage to Gibson, which is weird because the two books are in different genres and he isn't mentioned in the acknowledgements, or perhaps there's some manner of Jungian collective unconscious phenomenon at work here, in which you have unwittingly mimicked Gibson, or..?"
Neil Gaiman: "Or it was a very small joke, essentially pointing out that since what is arguably the most famous opening sentence in SF was published in 1984, the nature of what a "dead channel" looked like had completely changed, from grey static fuzz to a pure dead blue. Well, I thought it was funny, anyway."
http://journal.neilgaiman.com/2004/12/some-days-bears-on-top...