Usually when you search for a company name in Google News, you'll see a few stories relating to it at most. Usually it's just one at any given time - even if it's a big international company.
But what happens if you do this with the word "Facebook". You'll see pages and pages of article listings, from all over the world, dealing with many different subjects.
It seems that just about everyone on Earth now has a Facebook account, and they spend a lot of their time every day using it. Which is why it reveals so much about the way people live now, and why journalists love to write about it.