“It’s in matching the fluidity of Wikipedia with the static fixity of a book” that Wired editor Chris Anderson — caught copying portions of his new book, “Free,” from Wikipedia — “has gotten into trouble, which says something about the digital-analog divide. … Still, the fluid media of the Internet has proven itself to be unexpectedly sticky. The news about Anderson’s book broke on a website, and the Internet is where much of the discussion about it is taking place.”