I really enjoyed this book, there are lots of interesting lessons that the author has learned and the book was written in a conversational tone that was easy to read. I found the book inspiring, entertaining and sad. My favorite lesson that was repeated several times was to try and focus on a core area and market, don't try to do everything.
I agree with Matt and Nathan in the comments below, I only found out it was part of a series near then end, and the last part of the book did melt my face!
There was some awesome futuristic stuff in this book, enzymes in peoples blood that turned alcohol into fuel, magnetic creatures, creatures that eat solar radiation etc
Its pretty out there.
Interesting read, even though this was written in early 90's (apart from the technology) it doesn't seem that dated.