Israel’s NINA gives the consumer control over the ordering and consumption of wines and spirits in a bar. It saves the time normally spent trying to catch the attention of a busy bartender. The technology comes in the form of a smart bottle cap, QR codes on tables and an app full of features.
https://nocamels.com/2023/06/pay-as-you-pour-and-say-goodbye-to-queuing-at-the-bar/