Companies like Amazon and Starbucks want to kill cash — and it could be a huge blow to the most vulnerable Americans

“The US could be on its way to a cash-free economy. And, while going cashless has some distinct upsides in the tech-obsessed world of retail, it could be a dangerous development for some of the country’s most vulnerable people. This week, Amazon finally opened the doors of its futuristic grocery store, Amazon Go, in Seattle. The cash-free store allows customers to simply walk out without paying at a cash register, with the proper money simply being charged to their Amazon account.”