Google logs over 2 billion searches per day and is the world's largest search engine. The document discusses various search operators that can be used with Google to improve search results by making queries more specific, eliminating unwanted results, and finding content within certain date ranges or file types. Some common operators include using minus signs, quotes, and keywords to include or exclude terms, as well as operators to search within a site, find definitions, or limit to a particular file type. While these advanced search operators are useful for getting more precise results, queries are limited to 10 words.