If you have some extensions on your browser, this click away will trigger an extension to run and update your cookies that track your purchase. You likely don't have any of said extensions enabled.
thanks for the explanation. That makes complete sense.
The few times I have had the "you clicked away before buying" or whatever cartera said, I never understood that the big deal was because I wasn't buying it elsewhere.
this is the first technical thing I've read and easy to remember it now that you wrote it down for us.
Thanks!