Book (Practical) Communications business Are you smart enough?

Product description ※Please note that product information is not in full comprehensive meaning because of the machine translation.

Communications Business
Hobbies and Miscellaneous Studies
Over 150000 Copies 『 Camera Now! A super introductory manga that makes the smartphone of Yuka Koishi, a popular illustrator in 』, the strongest partner! Isn't it the 「 Smartphone Slave 」 that somehow loses time and money without being able to memorize many functions? 「 Zubora 」 「 Kikai Onchi 」 「 Sense 0 」 OK too! This is a comic essay that answers the simple question of 」, which is so close to 」 「 that I don't know what I can do. I only use 「 games and SNS to interview seniors who use smartphones.