Daemon - AI, AR (or MR), 3D printing, crowdsourcing, this book brings them and more together in a facinating manner.
http://www.goodreads.com/book/show/6665847-daemon
and the second in the series http://www.goodreads.com/book/show/8488830-freedom
and the second in the series http://www.goodreads.com/book/show/8488830-freedom
It's not a sequel but has some common threads.
By the way: I'm not the only one for whom Sobel's bio screamed "John Carmack" from the first page he's mentioned, am I?