People are nostalgic for a simpler time without smartphones, social media and AI. Cat Goetze is dialed in. The 29-year-old in Los Angeles is the founder of Physical Phones , a Bluetooth-enabled landline phone business that's taken off in recent months. In 2025, her business brought in over $789,000 in sales, according to documents reviewed by CNBC Make It. But like all "overnight" success stories, Goetze has been working at it for a while now. Goetze says she first had the idea for a landline-