4.1
Users must provide accurate personal data to Sina when applying for using Sina's network service, and update their personal data in time if there is any change.
4.2
Users should not transfer or lend their accounts and passwords to others. If users find that their accounts have been illegally used by others, they should immediately notify Sina. Sina does not assume any responsibility for the illegal use of accounts and passwords by others due to hacking or negligence of users.
4.3
The user agrees that Sina has the right to put all kinds of commercial advertisements or any other types of commercial information in various ways during the provision of network services (including but not limited to placing advertisements on any page of Sina's website), and the user agrees to accept that Sina sends commodity promotions or other relevant commercial information to the user by email or other means.
4.4
Sina Music Free Online Audition Service is a genuine online music service provided by Sina to users free of charge. Users agree that Sina can put commercial advertisements on relevant pages in an appropriate way when providing Sina Music Free Online Audition Service.
4.5
Users agree that Sina has the right and permission to use, copy, modify, adapt, publish, translate and fully sublicense any content that users upload to the publicly available area on Sina website through Sina network services (including but not limited to forums, BBS, news comments and personal homes) worldwide for free.
4.6
Users must follow the following principles when using Sina's network services:
4.6.1 Abide by the relevant laws and regulations of China;
4.6.2 comply with all network protocols, regulations and procedures related to network services;
4.6.3 Do not use the network service system for any illegal purpose;
4.6.4 Do not use Sina's network services in any form to infringe Sina's commercial interests, including but not limited to publishing commercial advertisements without Sina's permission;
4.6.5 Do not use Sina's network service system for any behavior that may adversely affect the normal operation of the Internet or mobile network;
4.6.6 Do not upload, display or disseminate any false, harassing, slanderous, abusive, intimidating, vulgar and obscene or any other illegal information by using the network service provided by Sina;
4.6.7 shall not infringe the patent right, copyright, trademark right, reputation right or any other legitimate rights and interests of any other third party;
4.6.8 Do not use Sina's network service system to conduct any behavior that is not conducive to Sina;
4.7
Sina has the right to review and supervise users' use of Sina's network services (including but not limited to reviewing the content stored by users in Sina). If users violate any of the above provisions when using network services, Sina or its authorized person has the right to require users to correct or directly take all necessary measures (including but not limited to changing or deleting the content posted by users, suspending or terminating users' right to use network services) to alleviate the impact caused by users' improper behavior.
4.8
Any statements, notices and warnings made by Sina in various ways (including but not limited to webpage announcements, e-mails, SMS reminders, etc.) regarding the use of certain Sina network services are regarded as a part of this agreement, and users who use these Sina network services are deemed to agree with the contents of these statements, notices and warnings.