: Downloading .ipa files from unofficial sources carries significant risk. These files can be injected with malware or trackers that remain "hidden" (as the name might imply) to monitor user activity.
: Cracked versions of "Things" often lose "Things Cloud" synchronization features, as those require a valid connection to the developer’s official servers. The Big Five Inventory–2 (BFI-2) - Colby College
: Often used in file-sharing communities to signify a "verified" or "working" status by a specific uploader or group.