What brands can learn from Mastercard's accessible card design

Moments after Mastercard chief marketing and communications officer Raja Rajamannar finished his talk on experiential storytelling and stepped off the stage at SXSW 2019, a colleague from Mastercard approached him to casually pitch a new product: a credit card for people who are blind or have limited vision. One of the hot topics of conversation at the annual interactive festival for tech, media and music that year was accessible and inclusive product design. All this got Rajamannar thinking: What would it take to develop a card that was more accessible and inclusive, particularly for blind people? How would it even work?