From here, we can see many 1-rep users with Chinese or Korean usernames. Their profile photos are their usernames themselves. I am a Chinese native speaker, I can see their usernames does not seem to be real names.
Perhaps there are robots creating new profiles automatically? Do we need to do something on this?

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    Interesting. Could it be promotion for a product or something like this? Some time ago we had many users with names like "Car insurance in Arizona" that were created for promotion. – quid Oct 7 at 10:28
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    A good chunk of English usernames are obviously not real names but just account handles. I'm also a Mandarin native speaker, and as far as I can tell, the proportion of obviously-fake Chinese usernames are not particularly higher in comparison (if anything, it actually seems considerably lower). Neither do I see any sign of guerrilla marketing, or for that matter, social/cultural advocates. – Lee David Chung Lin Oct 7 at 12:23
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    Having said that, it does seem like a sudden influx of new users with Chinese handles. Whether or not it is alarming is hard to say. Chinese tech companies do have a bad reputation. On the other hand, the shear number of existing Chinese college students can easily make the bump of several thousands new users nothing out of the ordinary. It could be that somewhere in China locally "on a small scale" that people who previously were unaware are recently informed of StackExchange (or maybe even students are instructed to register). – Lee David Chung Lin Oct 7 at 12:23
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    I agree. Maybe some Chinese college student noticed that this was a useful site, and publicized that fact, so lots of others have joined. I say, do nothing special for these users. We may ask, why did that first one find this site useful ... we can hope it was some reason other than: They will do your homework for you. – GEdgar Oct 7 at 12:36
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    Definitely need to keep an eye on this! – rschwieb Oct 7 at 12:56
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    Thank you for noticing. And thanks also to @Lee and the other Chinese speaking users. If you do notice something odd going on, please flag it for moderator attention. Preferably with a custom flag to explain the situation better, if possible. – Asaf Karagila Oct 7 at 13:30
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    There is nothing suspicious. The images of those users seems to be generated by google. Google generate this sort of icons for all its users but for user with western first name, it is pretty useless (e.g. mine is a single 'A'). My wild guess is for user with non-western first name, this sort of icons is distinct enough and SE use that instead of those from gravatar... – achille hui Oct 7 at 13:55
  • @achillehui ah! I didn’t even connect this with the auto generated google initials. I thought someone said the timing was suspicious, though. Maybe just an optical illusion? – rschwieb Oct 7 at 20:11
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    The link you offered has been bumped to here (401 versus 399, it's incremented a couple of pages). --- I checked a few accounts and they do have Google logins. Since we offer "Sign in with Google" it's not unusual, nor are the accounts over there suspicious or SPAMmy. --- We appreciate your mentioning this nonetheless. – Rob Oct 8 at 0:55
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    It's odd that the new users are via Google logins. Use of Google in China is officially blocked, and is inconvenient, at best. So, most people in China use Baidu, rather than Google. – bubba Oct 8 at 1:44
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    Please notice that this is not only about Chinese users. There are also Korean, Arabic and many other users of this type. – Kemono Chen Oct 8 at 2:46
  • @bubba I’ve heard of that Gmail is unblocked in mainland China recently. – Szeto Oct 8 at 11:38
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    I've recommend this site to my classmates for several times. I'm not sure if they joined in and talked about this to any others. – Hugo Oct 9 at 2:59
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    @Szeto No. It have not been unbanned in China. – Kemono Chen Oct 9 at 5:11
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    @KemonoChen From the past 10 pages, I found on average 1 username per page (36 users) using Chinese/Korean/Japanese/Asian characters, or sometimes none. Since everyone (100 million people) using a VPN in China is aware of outside sites, and there are 4.2 billion people using the Internet worldwide, there isn't a significant difference between Math SE and other sites. – Toby Mak Oct 14 at 2:09

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