Source: Cointelegraph.com NewsThe tech entrepreneur who built a COVID-19 tracker as a teen in 2020 has now launched a new AI-powered necklace to combat loneliness. Some say it feels more like an episode of Black Mirror.Read Morefriend necklace, ai friend, friend ai wearable, friend.com, friend wearable, avi schiffman, tab ai, rabbit ai, ai wearable, humane ai pin, ai pin