Facebook, Social networking services, Blog hosting services
Facebook is currently the top ranked social networking site that has surpassed strong competitors in the market due to its innovative features and options. The concept that initiated from the dorms of Harvard University by a student, has managed to attract more than 600 million users in the past 7 years. The co-founder of Facebook, Mark Zuckerberg, had been accused of stealing the concept of Facebook from three students in Harvard University. However, he won his case against them and cleared any misconceptions about the source of the concept.