Best Buy today announced plans to begin accepting Apple Pay later this fall. The move is notable because the company is essentially breaking ranks with MCX (Merchant Customer Exchange), which was looking to debut its own mobile payment service called CurrentC. MCX retailers include Target and Walmart, two of the largest in the US. Earlier today, Apple won the support of Discover Cards, the third-largest payment network after Visa and MasterCard. Apple Pay has made significant progress in winning over support from varied retailers and financial institutions.


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