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About the Book
Feature toggles may be critical to the system.
When a ATM machine needs to stop the 'transfer' feature immediately, a central control system needs to have the ability to do it; A software enables user to customize their accelerate key, then the accelerate key need to be configured in a map; A experimental feature just show to partial test users, after it is considered as good, just a toggle can make it show to all of users.
Feature toggles allow you to fit these requirements quickly.
About the Author
Speaks both of Chinese, Japanese and English.