here some sport blog also provided..... after some times
here some tricks for computer
Undo closed Internet browser tab:.
Oops did you mistakenly close a tab you didn't want to close? Press CTRL + Shift + T to undo a close tab. Pressing this more than once will undo multiple closed tabs. This feature works in all major browsers including Google Chrome, Mozilla Firefox, Microsoft Internet Explorer, and Opera.
Quickly bookmark a web page
Quickly bookmark any web page in all major browsers by pressing CTRL + D on your keyboard. Pressing these two keys together will open the bookmarks or favorites for your browser and allow you to quickly place a bookmark for the page you're currently at. For example, pressing the two keys now would bookmark this page.