How do i know if my direct message on twitter has been seen?
I don't think there is. I could be wrong, but I've never come across that option or it telling me if my messages have been read or not.
Why does a facebook message show seen then after a few hours it show that it hasnt been seen?
I think it is a Facebook glitch.
How to Send a Direct Message on Twitter?
Sending direct messages on Twitter is easy, enabling you to talk privately with other Twitter users.
How to Send a Direct Message to Yourself on Twitter?
Ever wanted to send a Direct Message to yourself on Twitter? Well here are a few easy steps to do so!
What does a curved arrow next to a direct message mean on Twitter?
It just means that the message has been forwarded.Exacly the same as in an email that has been forwarded on. You get an arrow next to that.Doesn't mean to say the recipient has received it though!