Overview—Government Regulations—PRC Regulations—Regulations Relating to Internet Information Security and Privacy Protection.” Intellectual Property Our intellectual property rights primarily include trademarks and domain names associated with the names of our travel brands and copyright and other rights associated with our websites, technology platform, booking software, and other aspects of our business. We regard our intellectual property as a critical factor contributing to our success, although we are not dependent on any patents, intellectual property related contracts or licenses other than some commercial software licenses available to the general public. We rely on trademark and copyright law, trade secret protection, and confidentiality agreements with our employees to protect our intellectual property rights. We require our employees to enter into agreements to keep confidential all information relating to our users, methods, business, and trade secrets during and after their employment with us.