How would one keep a DOB field private from others if it is used to display the users age? For example, how is stackoverflow Birthday field kept private from other users? When is the display field Age changed? Is it changed just on the first of each month or randomly within an random range of Birthday? Or maybe just at the first of each year?How would one keep a DOB field private from oth
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如何在显示用户多年的年龄时将DOB字段保密？
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