Smartphones ruined social media. msn, yahoo, ICQ, even Facebook for some years - i loved them before. When you felt lonely you just looked who was online from your list and said hello and chat a bit because most likely the person sat in front of his or her PC and had time. At least it was indicated by the online status. I miss this feeling sometimes very much.
Now that everyone is online all the time this is gone. Among grown ups you only write someone if you have something important to say like setting up a date or what, and among the younger you send only memes. And even if you start a conversation you don't (and can't) expect a real time answer but see it as so called async comversation.