Here is a one-question quiz about Faucet 2.0 Campaign, and a total of 10,000 SAT token will be given to participants who give the correct answer. Submission deadline is 28th February, 23:59 (UTC+8). The result will be based on Google Analytics data and announced on 1st March. Allow only one response per user, repeated submission will not be considered!
There is a total of 233 countries and other inhabited areas of the world according to the United Nations 2019 revision of World Population Prospects.
Our question: People from how many countries took part in the Faucet 2.0 campaign?
水龙头2.0小测验来了！所有答对问题的朋友将可以平分10,000枚SAT，活动截止时间为2月28日 23:59 （UTC+8），测试答案将根据谷歌分析(Google Analytic)数据 得出，并在3月1日公布。