Reader reviews for the book can be found here: Lifehacked on Amazon.com That is also where you can grab a copy of the book on paperback.
Some more feedback from the book can be found on various forums. Here's one forum called The Fastlane Forum that discusses Lifehacked. There you can view feedback on the book from other successful entrepreneurs. The Fastlane Forum are in no way affiliated with this book.
You can also visit the book's official Facebook page by clicking the button below to see what other lifehacked readers are saying about it: