Last spring, Anthony Tabarez celebrated prom like many of today’s high schoolers: dancing the night away and capturing it through photos and videos.Over the past few years, nostalgia for the Y2K era, a time of both tech enthusiasm and existential dread that spanned the late 1990s and early 2000s, has seized Generation Z.“People are realizing it’s fun to have something not attached to their phone,” said Mark Hunter, a photographer also known as the Cobrasnake.On Instagram, Ms. Rabotson, 22, posts grainy, overexposed photos of herself wearing denim miniskirts and carrying tiny luxury handbags.After the influencer Amalie Bladt posted a video on TikTok telling viewers to “buy the cheapest digital camera you find” for “the over exposure look,” some of the more than 900 commenters responded in horror."