Recently popular books in Japan.
Recently, there are many how-to books or business books published, like how to stock and use informations (using internet services or notebook, etc) or the knowhow-books of memorize something. For example, we can see many books like, Kazuyo katuma , leverage thinking by Naoyuki Honma , Stydy Hacks by Ryusuke koyama , use one notebook for memo by Nobuyuki Okuno , method of memorizing by student of The University of Tokyo by Wakiko Tokuda , etc. Of course, such books had been existed before, but recently I think the number of such books are increasing. Maybe there are some reasons exist. One reason is the development of internet access (plus gear) and internet services, so we can easily get and utilize informations using Information Technology. We can easily get and send informations anywhere anytime by using mobile phone or wireless access by Note-PC in a cheap charge. And with such circumstances, the amount of informations are also increasing because many people publish informat