YSK that for over 50% of the United States population, the combination of someone's 5-digit zip code, gender, and date of birth is unique to only one person. Be careful with the information you share online-- it's more identifiable than you think.
from /r/YouShouldKnow
YSK說，對於超過50%的美國人口來說，一個人的5位郵政編碼、性別和出生日期的組合只有一個人是獨一無二的。小心處理你在網上分享的信息--它比你想象的更容易被識別。