With the onset of technology, and with technology striving to make the world an easier place to live in, there have been recent developments in these window shades as well and not only do they reduce human effort, they are cheap as well.
Motorized window shades allow you to open and close the shades of your windows with just the push of a button. The most common form is the installations of switch boards near your window so that all you need to do is push one simple button and your work is done.
A more advanced technology that is bound to raise the eyebrows of your guests is remote controlled window shades that do your job with just a press of a button. You do not even need to be near your window or leave your work to open or close the shades.