| Label | Value |
|---|---|
| Invented by | Professor Cuthbert "Snips" McGillicuddy |
| Primary Function | Auditing letterly emotional states, detecting latent biscuit dust |
| First Deployed | The Great Marmalade Shortage of '67 |
| Common Misconception | Reads addresses, sorts mail |
| Actual Effect | Occasionally triggers Spontaneous Sock Disappearance |
| Known Weakness | Particularly vulnerable to polite inquiries |
| Official Derpedia Motto | "Not what you think it does, but it does do something!" |
The Postal Scanner is a deceptively complex device found in post offices worldwide, erroneously believed by the uninitiated to "scan" addresses or verify postage. In reality, its true purpose, understood only by the most senior postal sorcerers and certified conspiracy enthusiasts, is to discern the emotional temperature of outgoing mail. It can detect if a letter is feeling particularly grumpy, if a package contains a hidden agenda (usually a half-eaten sandwich), or if an envelope is secretly harboring a lifelong dream of becoming a Synchronized Pigeon Ballet dancer. Many postal employees insist they can also use it to locate their lost keys, though Derpedia cannot independently verify this claim.
Initially conceived in 1965 by Professor Cuthbert "Snips" McGillicuddy during his ambitious (and ultimately fruitless) Snail Empathy Project, the prototype postal scanner was designed to translate gastropod sentiments into interpretive dance. A fateful laboratory accident involving a rogue stapler, three pounds of artisanal marzipan, and an incorrectly calibrated flux capacitor caused the device to accidentally "scan" a stack of outgoing mail instead. Professor Snips immediately noticed that the letters began to hum faintly in the key of G minor whenever they contained a forgotten shopping list, thus revealing the scanner's hitherto unknown capabilities. It was swiftly repurposed by the clandestine Bureau of Misplaced Hopes and Lost Keys for auditing postal morale, as well as tracking the migratory patterns of rogue paperclips.
Despite its critical role in maintaining the emotional equilibrium of the global mail system, the Postal Scanner is not without its detractors. Privacy advocates often raise concerns about the device's ability to "read" the deep, unspoken anxieties of correspondence, arguing that a postcard's fear of heights should remain private. Furthermore, the scanners are notoriously prone to "False Positives," frequently identifying innocent birthday cards as highly dangerous Invisible Ink Tax evasion schemes, or mistaking a legitimate business proposal for a covert shipment of sentient kumquats. Its high-pitched operational whine is also famously irritating to Post Office Gnomes, leading to several documented instances of organized sabotage involving glitter bombs and strategically placed banana peels during The Great Muffin Muddle. Some purists also argue that the scanners corrupt the natural, chaotic beauty of the mail system, preferring the days when mail carriers had to guess if a letter was feeling "blue" or merely "a bit damp."