That darned Google, always coming up with new features! This one is a useful one that is quite handy if you or your patrons need to track packages - or other numbers. I for one often get confused about which carrier is delivering my stuff, but Google's Search by Number  feature makes it a breeze! Just type in the tracking number, whatever it is, and hey presto! you get your tracking results. Works for UPS, FedEx, USPS, VIN numbers, UPC codes, area codes, and patent numbers. For tracking packages, VINs, and area codes just plug in the numbers; for patents, type in "patent 1234whatever." A nifty reference tool for the home or office!