How to obtain coordinate (latitude,longitude) using Google Maps

Knowing coordinate of a certain place can be quite useful to point to specific location. Google Maps offers a feature to obtain latitude and longitude of specific place instantaneously. 

To activate this feature, click Options in Google Maps page (gear icon in top right of Google Maps page) an choose Maps Labs. Scroll down and please enable LatLng Tooltip and LatLng Marker, then click Save changes to exit.
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Now, every time we press shift key on keyboard, mouse pointer will show coordinate (latitude, longitude) it currently points. From low altitude, Google Maps shows accuracy of latitude and longitude until five decimal digits. Right click - Drop LatLng Marker to mark certain location with its coordinate.