Respuesta :
Promoted Trends- These started off as an extension to promoted tweets, but is now a product by itself. They allow users to see trends promoted by advertisers on top of the Trending Topics list. They are always clearly marked as "Promoted". With this, users can click any promoted trend and see all tweets that have the trending hashtag or word.
In Twitter, a sub-set of advertisement is dedicated to targeting users who have tweeted certain keywords, such as the ones mentioned in the question.
Twitter offers to businesses the ability to do promoted tweets to be able to target individuals who have tweeted things that the business has highlighted as a common keyword that is associated with the products they sell.