Data was corrected in part.
A chat and idle talk have had big influence also on society.
This book analyzes and announces you that big influence from the standpoint of social psychology.
Caution:This book is Japanese.
- June 24, 2011 New version 4.2
- July 16, 2011 Price increase: $6.99 -> $8.99
- March 27, 2014 Price decrease: $8.99 -> $7.99