Most recently, I use only my Microsoft Surface Pro 2 in the school, in classes, at work and at leisure. It is this small DisplayPort always in your pocket. Whether I have to give a presentation or if I have to step spontaneously because the school laptop does not work - I, my classmates, teachers and colleagues have often benefited from it, as quickly and reliably this product fulfills its function.
Not to mention the price is great! So, this port remains in my pocket.