So I've got this Yahoo Messenger on my lap top. I hardly ever use it and don't bother to check it that much.
Occasionally I will sign on but am almost always invisible. Once in a while I will log on as visible to some people on my messenger list. You know the feature where you can show yourself to one or two people and keep yourself invisible to others? It can be a nice feature once in a while.
It turns out that one of the people on my messenger list has discovered a way to tell if I'm logged in or not regardless of my visibility status. Regardless of what I'm doing he can always tell if I'm signed in to messenger or not.
He's being all sneaky when I'm trying to be sneaky.