William Gibson

I suppose the first writer all internet users should take a look at is

William Gibson

who coined the term "cyberspace" and whose futuristic novels, including the famous Neuromancer, have won many literary awards. As written at that last linked page:

"Here is the novel that started it all, launching the cyberpunk generation, and the first novel to win the holy trinity of science fiction: the Hugo Award, the Nebula Award and the Philip K. Dick Award. With Neuromancer, William Gibson introduced the world to cyberspace--and science fiction has never been the same."

Gibson's blog is also one of the most popular on the internet, Googling in the top 10 for "blog".