; (cc) any options that the covered internet platform makes available for a user of the platform to opt out or exercise options under clause (ii), modify the profile of the user or to influence the features, inputs, or parameters used by the algorithm; and (dd) any quantities, such as time spent using a product or specific measures of engagement or social interaction, that the algorithm is designed to optimize, as well as a general description of the relative importance of each quantity for such ranking. (ii) The person makes available a version of the platform that uses an input-transparent algorithm and enables users to easily switch between the version of the platform that uses an opaque algorithm and the version of the platform that uses the input-transparent algorithm. (B) Nonapplication to certain downstream providers Subparagraph (A) shall not apply with respect to an internet search engine if— (i) the search engine is operated by a downstream provider with fewer than 1,000 employees; and (ii) the search engine uses an index of web pages on the internet to which such provider received access under a search syndication contract. (3) Search syndication contract requirement The requirements of this paragraph with respect to a search syndication contract are that— (A) as part of the contract, the upstream provider makes available to the downstream provider the same input-transparent algorithm used by the upstream provider for purposes of complying with paragraph (2)(A)(ii)