I have been with Citibank Enrich Platinum Mastercard for more than 3 years. Its a cashback card. Problem started when I bought some Iphone 4 for my friends. They called me and ask why you are buying Apple Iphone more than you needs. I was surprised and I asked I never used half of my limit and always paid in full is it because I don't pay you any interest you are harrassing me? He asked me you also changed your phone number. I told that I have switched my home phone company and what is your problem and I confirmed itsbought by me. She... read full review »