Warn HN: USPS changed their tracking URL

USPS just changed their tracking URL without warning. The old URL no longer works. The old URL was http://trkcnfrm1.smi.usps.com/PTSInternetWeb/InterLabelInquiry.do?origTrackNum=NUMBER The new URL is: https://tools.usps.com/go/TrackConfirmAction.action?tLabels=NUMBER