[pjc50]

Pre-filled credit card information would be great - if it could be stored securely. PCs are basically far too insecure for this to be accepted by the payment processors, it would just be phished to death.

Apple Pay would be the right solution if it weren't so proprietary.

[donarb]

Apple Pay uses industry standard payment tokens, just like Google Wallet, there is nothing stopping any company out there from using the technology. The only thing about Apple Pay that is proprietary is the TouchID fingerprint verification.

[kalleboo]

Both Chrome and Safari offer to store, autofill, and cloud sync your card details.