Google Tracks Packages

Here's something cool everyone should know about: Google now tracks packages and other numbers.

UPS tracking numbers example search: "1Z9999W999999999"
FedEx tracking numbers example search: "fedex 999999999999"
Patent numbers example search: "patent 5123123"
FAA airplane registration numbers example search: "n199ua"
FCC equipment IDs example search: "fcc B4Z-34009-PIR"

[via Boing Boing]