I used it several months ago to reverse engineer the data our POSes (point of sale devices) send to our licensed ERP app (bundled together by vendor) so we can

I used it several months ago to reverse engineer the data our POSes (point of sale devices) send to our licensed ERP app (bundled together by vendor) so we can use a superior POS, as they would rather force us to use their crap than publish an API.