How do you send someone an instant message?

To send a direct message to someone on Twitter, click on "Direct Messages" on the right hand side of the page, select the person you want to send it to from the drop down menu (you can only DM those...

If you call the general reception and ask for the person you are looking for they will tell you what room and floor they are on from there you could send them something or you could be put through...

you click on their names and type in what you want to say and when your done press enter to send it

Yes but they may write back an unhappy message.

maybe you can .But normally you cant because you cant free talk in chat .