translation.en: And they tapped into the fact that, if you have millions of people around the world talking about what they're doing and what's around them, you have an incredible resource to find out about any topic or event while it's going on.
translation.zh: 他们利用了这样一个事实： 如果全世界有数百万人 在谈论着他们正在做的或是他们身边发生的事情， 那你有机会从这些海量的信息中了解到 任何事情的进展。