Facebook has enabled keyword search on past posts to enable the reliving of the most important memories of your life The new search is being introduced this week in the US, in English, on iPhone and on the desktop version of Facebook. With the new keyword-enabled search, anybody with whom youve shared content in the past can now search on words such as drunk, nude and party with your name.”]
Source: https://nakedsecurity.sophos.com/2014/12/09/facebook-launches-keyword-searching-on-past-posts/