Question about Pure ⇐ Pick Up

[Anonymous]

Greetings. At the moment, from SZ for SO in Moscow, which one do you think is the most effective ? 
And a technical question about Pure, do I understand correctly that he doesn’t hide his profile for everyone to see like in Tinder? If not, what are the options other than not posting your own photos, if you can’t show your own photos in the public?