User Activity

Im trying to comunicate with ebay but i cant find the chat thingy, does any one know the link or what happened to it ?
What happened to that option to chat with an ebay rep ? does it still exist ?
Im getting tired of going all the way to locking in or comitting to buy and a message comes up "seller doesnt send to po boxes" . This gives the seller the option to place an unpaid item on my account. I contact the seller with no prevail. The advert...