Black Friday and Cyber Monday (BFCM) have always been the biggest dates in eCommerce, but 2025 is a new game. Winning this year won't come down to who can shout the loudest or slash the deepest discounts. The real challenge of BFCM 2025 isn't acquisition, it's retention. This year, BFCM won't reward the loudest brands. Growth in 2025 won't come from doing more of the same, it will come from smarter execution.