Nowadays people are addicted to social networks, especially to Facebook. They spend 2-3 hrs. on Facebook. So there is a special extension for chrome browser which will show you how much time you spend on Facebook in one day. That's really cool if you see the time you spend on Facebook and start thinking about your real life and stop wasting your time on Facebook.
First if all open this link on your Chrome browser.
Now press on "Add to Chrome" button.
After the extension is installed on Chrome you can go to Facebook, log in to your account.
Look at the top bar, right from search box you can see the timer. Now it will show you the time you spend on Facebook in the day.
