Buying physical SIM cards, paying expensive roaming fees, or relying on unstable public Wi-Fi used to be part of every trip. Today, eSIM technology is changing all of that — and many travelers already agree: eSIM is the future of travel. Based on real traveler experiences shared on travel forums, digital nomad communities, and long-term traveler blogs, here’s why eSIM is quickly becoming the preferred way to stay connected abroad.