Cool! Nice to see, Apple Pay now will be at virtually all my main stores.
A tale of woe - unlike cash, the card / wireless / remote payment system in the U.S. is controlled by the U.S. corporate banking system, not the government and merchants can decide if they want to spend the money to roll out new readers that support wireless or turn the wireless off (some did). Anything that costs extra money will be put off and avoided (ex - we just rolled out Chip cards like 2 years ago, again because it would be expensive to do it - new card readers at the merchants would be needed - but we didn't do the PIN part of Chip and PIN (which adds the security) because it would have meant less money for the banks (they don't get as big a transaction fee on anything with a PIN), so they chose for the country to have Chip only and stolen credit card numbers continue at pace here (but the government lets the banks deduct those losses so its not important to stop the losses to the banks).
We had wireless payments around the turn of the century (if memory serves), however they were not secure (you could remotely read people's card numbers walking through crowds) and typically tied to debit cards (from your checking account) where you don't want your card number stolen and charged so people stayed away from them. I'm guessing they're much more secure for you folks now.