it’s possible to enable some hidden features for the ‘Twitter For Mac’ application with some Terminal commands. With the following command you can enable to display the full names of your followers in your timeline. Close Twitter and add the following command in Terminal.
Safari: Highlight Non-Retina images
In OS X 10.9 Mavericks Apple didn’t hardly changed the Dock, yet you can adjust the design slightly using a terminal command. It’s possible to give the dock a transparent look. Add the following command in Terminal: