eSIMs are great if your phone supports them. I have a Pixel 6 Pro which can take a physical SIM, but can also download virtual SIM files. In my phone's settings, I can turn on the SIM for the country I'm visiting, and then switch back when I get home...
When I signed up yesterday, the referral code field was greeted out. I noticed a code below the referral field that looked like referral code, with an 'x' next to it. I tapped on the 'x' which made the code disappear, the referral field was no longer...