This book is about "how to play better." Starting from the most common credit card, teach you how to save your consumption; then talk about travel knowledge, let you know some airlines and hotel's guest plans; afterwards, provide some clear guidance, so that you can easily start this funny trip. The main content is from author's wechat articles which were published on the first half of 2013, after rearrangement, make it easier for readers to build their own knowledge system, and play better. In 2013, shortly after the San Francisco air crash, Sheryl Sandberg, COO of Facebook tweeted on her page: she planned to take Asiana airline, but for accumulation of mileages for easy ticket change, she altered the ticket to United Airlines. This wealthy lady who has fortune of 1 billion was quite lucky but surprised me more for concerning about her mileage. Even the COO of Facebook cares so much about credits and mileage, how could you let them slip away The author got in touch with these things late, and missed the days when wools were flying in history. However by making great efforts, the author gradually got to know the techniques and made life and travel easier. Maybe you can finish this mini book in one night, but its influence on you should be able to last for a couple of years. Some comments made by netizens on the contents of this book: Daily reading-@Andkcor from TwitterGood for the young. it is quite helpful for getting the love of the white, wealthy and beautiful-@Xiaohuangyusang from TwitterAn absolutely necessary executive force, you, worth reading-@Nanjing from TwitterI used to surly take credit card as advance-payment card, ignoring the meaning of credits. Now I feel quite regretful. I have subscribed the article for a long time and it is so useful-@Jiayou from TwitterPractical, absolutely useful! Strongly recommend-@Summer Mom of Yueyue from TwitterAll useful information, all good things, worth being paid attention-@Some F Sauce from T.