5.2.8. disrupt the regular operation of Yandex sites and services; When the user uses his image as a profile picture, the user is aware and agrees that Yandex may publish and continue to use the user`s image in Yandex services, promotional items, corporate blogs and Yandex accounts in third-party resources. 18.104.22.168. The user may have the possibility to carry out a simplified procedure for registering the personal account by indicating the mobile phone number, first name and surname of the user. The subsequent authorization in the Yandex services is carried out by the user by entering the mobile phone number indicated during registration and the confirmation code sent to this number. In some cases, the user may be required to enter the name and surname specified when registering the authorization. 5.2.5. upload, send, transmit or post or post unauthorized advertising information, spam (including spam dexing), lists of other people`s email addresses, pyramid schemes, multi-level marketing (MLM), internet compensation schemes and email companies, chain letters and use of the Yandex service to participate in any of the above; The personal and non-commercial use of the Service Content elements and any content by the user is permitted while retaining all copyright marks, associated rights, trademarks, other copyright notices, maintaining the name (pseudonymous) of the name of the author/rights holder and preserving the corresponding object. The exception concerns cases directly defined by Russian legislation or agreements for the use of certain Yandex services. You agree and agree not to use any information about registered users accessible through the Portal; except for the purpose for which this information was made available to you. They also agree not to use this information for the purposes of advertising, advertising, unwanted e-mail or spamming, harassment, violation of privacy or other offensive behavior.
4.3. The User acknowledges and agrees that the Service Technologies may require the reproduction (replication) of User Content by Yandex and their processing by Yandex in order to meet the technical requirements of a given Service. 2.10.3. The procedure described in paragraphs 22.214.171.124., 126.96.36.199, 188.8.131.52 also applies to the prohibition of access to certain services via an account. 2.8.2. Certain categories of user accounts may limit or disable the use of certain Yandex services or some of their options if this is necessary in the conditions of registration or use of those services. . . .