Simongr, the amex promo says they'll post points in 'one day' so transferors get into the draw on the 30th. Amex can't issue lottery entries 8 weeks after the prize was drawn. Kort, amex has decades on experience in promotions, and human nature, and yet didn't seek a minimum spend or impose a max number of transactions per day or per shop per day. Nor did they exclude certain companies like telecos. . I bet they factor into their costings an 'human nature' factor. Overall their marketing, accounting and legal people all somehow overlooked so much, ... or did they.