sends to us the uniform resource locators ("URLs") of websites visited by a user along with an anonymous client identifier, timestamp, ip address, port, http request method, server response code (http/s status code returned), user agent, mime type, and the browser language
Search results delivered in response to queries conducted through the browser address bar;
Search results delivered in response to queries conducted through the Internet Explorer search box;
Search results delivered from the browser’s search button;
Suggested links or search results when no server can be found in response to misspelled or incorrectly formatted address requests (i.e. DNS error search).
Google Toolbar:
the Toolbar sends standard, limited information including your machine's IP address and one or more cookies . This data is retained in Google's server logs
When you type URLs or queries in the Toolbar search box, the letters you type are sent to Google