Translate the following sentences into Chinese. 1. On 4 February, 2004, a Harvard student named Mark Zuckerberg, along with a few of his fellow classmates, had an idea to create a social network for Harvard students. 2. Within a month, TheFacebook grew in popularity, prompting its founders to include students from other well-respected universities. 3. From humble beginnings, Facebook has grown to become the world's No. 1 social network with more than 350 million users worldwide. 4. Now Facebook has become a major cultural touchstone, and the buzz (热度) it captured in the early part of this decade shows no sign of abating (消退).