Leave Your Phone at Home
Go rogue! You're allowed to attend work/school/parties without The Network. Phones aren't essential.
Get lost! Ask others for directions! Serendipity smiles on chance interactions.
Take note! Consider carrying a small notebook. Notebooks elicit ideas and inspiration. They're also handy for caching your contact-list (in case you need to borrow a phone).
Start small! Cellular smartwatches are suitable computers without so much screen.
Walk before running! Leave your phone in your car while embarking on errands.
Live untethered! Make adventure!