Acer's 2019 eRosary: when wearable tech met faith

Acer’s 2019 eRosary was a wearable bracelet with a crucifix interface that could track prayer progress via a companion app; priced around $110 and sold through the Vatican site, it debuted at Acer’s 50th anniversary event in London but lasted only one generation, marking one of the company’s most surprising experiments.