When you click on their profile, up on the right you should see a green button option to "Follow Them" - you can't PM someone unless you're following them. If you area following them, you'll see two options there, both grey - "Send PM" and "Unfollow".
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When you click on their profile, up on the right you should see a green button option to "Follow Them" - you can't PM someone unless you're following them. If you area following them, you'll see two options there, both grey - "Send PM" and "Unfollow".
Edit: See point 6 on the FAQ: Your Account.
You need to follow the user, after that, you can send him/her/it a PM
I guess the follow-up question is how do I see the members of my tribe?