Program name: Electronic card recharge promotion. Time: Every Friday. Conditions for receiving promotions: + Apply to electronic recharge card on promotion day. + For every 10,000d recharge card, you get 1 GB of high-speed data, used for 7 days. + The larger the face value of the top-up card, the higher the offer. + Promotion is valid only once. Look up the program: Call 789(0d).