Questions and Answers
What is the name of the volunteer group set up by Liu Siyuan?
SilverHair
How many chapters are included in the 300-page book May I Show You How to Use Smartphones?
10 chapters
What is the main topic at the top of the list for the old people's concerns about mobile phones?
How to use WeChat
How many copies of the 300-page book were printed out by the volunteer group?
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What will be the focus of the second book that the volunteer group plans to work on?
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How long did the seven members of SilverHair spend writing the 300-page book?
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