I've noticed something similar here in NYC as I've been apartment hunting. There are postings that will ask for a link to your facebook/instagram/twitter before

I've noticed something similar here in NYC as I've been apartment hunting. There are postings that will ask for a link to your facebook/instagram/twitter before they'll even show you the property. I'm not saying that it's always motivated by discriminatory behavior, but if it looks like a duck and sounds like a duck...