NYT | Technology Follow A.I. Companion Ads for Friend.com Flood NYC Subway, Fueling Backlash and Vandalism An ad campaign for a wearable A.I. companion has blanketed New York City, starting conversations and inspiring vandalism. https://www.nytimes.com/2025/10/07/style/friend-ai-subway-ads-new-york.html nytimes.com