I see many people are thinking that profile posts are private messages. This is something I don't like about this software....but there isn't much I can do about it. I'll walk you through sending a private message here. 1. Move your mouse over your use name (but do not click) on the top right of the page. Once you do this a drop down menu will open up. OR you can move your mouse over the "Inbox" tab next to your user name and then click "Start a New Conversation" (if you do this skip to step 3). 2. Once you are in the conversation page click on "Start a New Conversation". 3. After you have clicked "Start a New Conversation" click in the "Participants" field and start typing the user name you want to send a message to. If there are users with similar names it will give you an option on which one to send it to. You can send a message to more than one person at a time (I think up to 5 people in a conversation). 4. Type your Conversation title and then type the message you want to send. You can send pictures and files the same as starting a new thread. 5. Once you are finished typing your message click "Start a Conversation" to send the message. A notification will pop down saying the conversation has been created and then it will reload to your inbox page.