I have been with Citibank for 5 years now through my company and as my old card recently expired I received a new credit card which I was asked to activate in the usual way by phoning them. When I phoned, I was asked by a computer to enter the numbers on the card and was told to my surprise that the number was invalid! I tried several times more and was told, by the computer, the same thing. I hoped that by doing this, like a normal call center, I would eventually be put through to a human being who could resolve the issue, but instead I... read full review »