Think of those fleeting moments when you look out of an aeroplane window and realize that, regardless of the indignities of commercial air travel, you are flying, higher than a bird, an Icarus safe from the sun. Now think of your laptop, thinner than a manila envelope, or your cellphone nestled in the palm of your hand. Take a moment or two to wonder at those marvels. You are the lucky inheritor of a dream come true.
----Anyone can paraphrase the bold part of the sentence please?! I really don't get it.