Amazon bookstores raise prices for people who don’t subscribe to Prime

Amazon’s physical bookstores used to offer the same discounted prices to everyone. But recently, they started charging more for people who don’t subscribe to Prime.
Prime members who shop at any of Amazon’s physical bookstores (three and growing) still get the same prices advertised on Amazon’s website — often a several dollar discount. But people who aren’t subscribed to Prime now have to pay list price. GeekWire spotted the pricing change, which it says has