The security of information on social networks is so great that some of them (which will be discussed later) are limited not only by browsing pages, photos, music, friends, documents, etc. privacy settings, but also prohibit search engines to "interfere" privacy.
However, let's dive into the network itself and try to see if everything is as good as we would like, in particular, take a look at the human factor and human behavior inside.
The other day I heard from a friend that he, some time ago, “restored” accounts in one of the online games where recovery required some kind of identity document. Previously, it was necessary to google any “pieces of paper”, and then with the help of a graphical editor to somehow bring this into a divine form and push support, some time later the answer came that this way and that, the password was reset and you can play again. Happy story, right? And I'm a little away from the topic ...
So these “papers” had to google before, and often the same people were found in the results of the issue, and I suppose those people who took the “papers” from the issue and shoved support to more than one hundred. The support has become smarter and needed new methods to carry faces, and this was helped by our favorite social network - VKontakte.
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In 2011, a new service was introduced, which was called "Documents" and allowed to load pdf, doc, ppt, png, gif, jpg, psd, etc. Of course, we introduced privacy settings and made a search.

The other day, accidentally recalling a friend’s decision, I decided to look for the word “passport”, and to my great regret I found ~ 7K files, of which (excluding any .gifs and other nonsense), about a thousand were valid, and most importantly, real people - file owners. I don’t play toys and I don’t need game support, so I was puzzled by another question - “Do you have an account?”
Having done similar manipulations with the search string and replacing the request with a “password”, and then “login” I overcame fear and horror: 5.5K and 3.5K documents, respectively, of which, as usual, 30-40% of slag contained real user data, moreover, text documents not one by one, not two, but dozens of layouts!
I propose to discuss on the topic:
“But should we wait for a new spam wave?” “Is everything so awful? And what to do.