The slowness is implementation. It's not slow outside the US, where it's been in use for a long time. In the US, it depends on the POS. At Walgreens it's basi

The slowness is implementation. It's not slow outside the US, where it's been in use for a long time. In the US, it depends on the POS. At Walgreens it's basically instant, whereas at Target it takes like 8-10 seconds. It's just poor implementation.