When is it OK to slide into someone’s DMs?

Delia Cai tackles the social media etiquette around crushes, new relationships, and exes. 

There are certain social media rules we can all agree on: Ghosting a conversation is impolite, and replying “k” to a text is the equivalent of a backhand slap (violent, wrong, and rude). But what about the rest of the rules? When can we really remind someone of our old Venmo request? What happens when someone tries to flirt with you on LinkedIn?