Useful ways to search in Google

• How to search different file formats (keyword filetype:doc)
• How to search educational resources (keyword site:.edu)
• Finding the meaning of words and abbreviations (define:keyword)
• Finding the time of any location (time new york)
• Finding the weather of any location (california weather)
• Tracking commentary of live events (cricket)
• Using Google as a calculator (9 * 10)
• Converting currencies (1 USD in EUR)
• Tracking stocks (stocks:MSFT)
• Finding faces (add imgtype=face to the URL)