Whenever you want.
Of course you can't directly control what other people do or how much they use t0echnology. But you have lots of direct control over what you use, even if it's not complete control.
I stopped taking social media seriously in the early 2010's. I'm preparing for a world of restricted, boring, corporate, invasive Internet, and developing interests and hobbies that don't rely on tech. We've had mechanisms to network people without communications tech for thousands of years, it's probably time to relearn those (the upper classes never stopped using them). The Internet will always be there, but I don't have to use it more than my workplace requires, and I can keep personal use of it to a minimum. Mostly that will mean using the Internet to coordinate events and meeting people and little else.