If you make use of your card more than 20 times during a billing period you'll earn 20 percent more points for those purchases. 2.4 points per cent at US supermarkets
American Express is on the network, but not Visa or MasterCard So some smaller shops might not be able to accept the card. Double the bonus is available within the US
To determine the status of the MX application, visit the official site and you can get this information from the website. Credit cards will always offer benefits.