>People who do this are generally trying to be polite by not jumping right into the request, like one would in person or on the phone - and that's great! Different people have different reasons but I notice that many people that do a naked "hi" / "hey" are trying to see if the receiver is present for an immediate reply. In other words, the sender deliberately wants a synchronous instead of asynchronous convo. They do…
10:15: Them: Hello 10:!5: Me: Hey! What's up. 10:34: Them: Can I ask you a question 10:34: Me: Sure, what's up? 12:15: Them: I'm having a problem with [insert software] 12:15: Me: What's the problem? 12:45: Them: It's not working. ..... 5 hours later... 18:41: Them: Do you think it's because i didn't fill out this field marked required?