One of those pointless polemic against the Internet and participative content - Web 2.0 - by an author who seemed to be bitter about everything. He blames internet for the demise of all the good things in life - Newspapers, Music, Hollywood, Encyclopedias, Universities, Bookstores, Music Shops - and for the rise of all the bad things - Intellectual Theft, Pornography, Gambling etc.
I must admit that I skimmed through most of it, and thanked myself that I did not waste my money by buying it. In the end, I came to one conclusion - only a Public School Brit can write such a book [and though I have no idea about Andrew Keen's political pursuation, I suspect he must be an old school Tory]. He refuses to admit that the technology of the day shapes the legal and moral context, and not the other way round.
I would not recommend anyone wasting any money on buying the book. You will usually find a fresh, largely untouched copy in the Library. Read it if you have a couple of evenings without anything to do, or looking for some distractive amusement other than pornography.