Has anyone sent anything to one of these adresses with a reply?

Chester Bennington
c/o Linkin Park, Llc
15260 Ventura Blvd., Ste 2100
Sherman Oaks, CA 91403
USA


or

Chester Bennington
PO Box 36915
Los Angeles, CA 90036
USA

Chester Bennington
c/o Linkin Park, Llc
15260 Ventura Blvd., Ste 2100
Sherman Oaks, CA 91403
USA


or

Chester Bennington
PO Box 36915
Los Angeles, CA 90036
USA

I am new to this, and i have some questions 1. How long does it tipically take? 2. What does PP & TTM mean? I saw people using that, and I think something else, whats the difference between it all? 3. How can I make my letter stand out, so it will more likely be read & replied to? 4. Do I ne...

I have both the usa & uk one & i found success but that was in like 2008 has anyone had recent success with either adress? I really want to send him one, but how long would it take & Is it really going to be him? also.. if anyone would be so kind to answer, when im sending fan mail, and ...