Traffic to Wikipedia, the world’s largest online encyclopedia, naturally ebbs and flows with the rhythms of daily life—rising and falling with the school calendar, the news cycle or even the day of the week making routine fluctuations unremarkable for a site that draws roughly 15 billion page views a month. But sustained declines tell a different story.Launched on Jan. 15, 2001, Wikipedia turns 25 today. This milestone comes at a pivotal point for the online encyclopedia, which is straddling a delicate line between fending off existential risks posed by A.I. and avoiding irrelevance as the technology transforms how people find and consume information. Will Wikipedia survive the AI waves ?

