Obscure Google Search Tricks
Check local time anywhere
google: what time is it in Hong Kong
Check flight status
google: Delta flight 5778
Convert currency, metrics, bytes, and more
google: 10 us dollars in Australian
or if you know the currency codes for 30 Canadian dollars to US dollars
google: 30 CAD to USD
Use google as a proxy (crude)
Remove duplicate links
Find related terms and documents
returns results with the words nutrition, food, and health
google:-inurl:(htm|html|php) intitle:"index of" +"last modified" +"parent directory" +description +size +(wma|mp3) "Nirvana"
returns Nirvana tracks
Make google recognize faces
If you are doing an image search and only want faces add &imgtype=face to the end of your image search to just get images of faces, without any inanimate objects.
Make google track UPS, FedEx, and USPS packages
This avoids going through the log in and hassle of the individual shipping company site.
Make google show you the weather
google: weather zipcode
Definitions and related phrases
google: movie name zipcode
google: book name filetype:pdf