engagement

 engagement  is after you propose marriage and before signing a marriage certificate, or a term used by websites to describe how often and how long users spend time on those websites.

click farms

 * https://twitter.com/JamieJBartlett/status/1105151495773847552
 * "I’m completely obsessed by click farms - where thousands of machines are lined up to generate fake engagement. https://t.co/NgDm4AWiCm" @JamieJBartlett March 11, 2019

has made software worse

 * https://twitter.com/bobpoekert/status/1570103373906735105
 * "software that was made before everyone was tracking and optimizing for engagement is better in a way that's hard to describe" @bobpoekert September 14, 2022