I’m probably not the first to find this, but with my iPhone 14 Pro Max, I accidentally placed the top back of my phone onto my AWU2 while it was on my wrist and my phone did this weird animation starting from the bottom of my phone to the top. Try it out! Looks pretty cool
If someone walks up to you and taps their phone on yours it shares your contact info. It was on the local news yesterday. It’s called name drop and can be turned off