Ways to determine location with Social Media Apps / Phone

Hi,

a friend of mine just told me a story that got me very worried about her.

little backstory:

So basically she was writing with a dude some time ago and they met 1-2 times on random parties.

I know that dude a bit, and i know she wants nothing to do with him (anymore).

The dude itself is very strange, if he meets her randomly at parties he always tells her to go home with him and that he …

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