Apple, Google & Facebook take over the world, while Yahoo and Twitter are left behind

Apple, Google & Facebook take over the world, while Yahoo and Twitter are left behind economyvn.com/vi/analysis-opinion/comic-weekly/item/…

http://economyvn.com/vi/analysis-opinion/comic-weekly/item/701-apple-google-facebook-take-over-the-world-while-yahoo-and-twitter-are-left-behind