"The world's first business book on digital communities such as blogging, gaming, dating, rating, digital TV and mobile phone convergence".
I rode that book in 3 days, was written end of 2005 but still very up to date and usefull. Any people wanna have more information, feel free to contact me. I am building a web2.0 website and this book really helped me to see the trends that were going on.
By the way the Author Tomi Ahonen, will also released a book about Korea: "Digital korea" / http://www.tomiahonen.com/