Here is a copy and paste of a reply made by AMEX to a person's question posed on the AMEX Facebook page. She was originally asking about the customer service phone number, and this was their reply:
American Express Hi (Name of person making request). Tickets for the Rolling Stones concert will be released on April 8, 2015 at 10 a.m. local time. For Columbus OH, Dallas TX, Orlando FL, Nash
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