The description of social media features such as heart buttons coming into being almost accidentally via some "geek" searching for efficiency is wrong. These fe

The description of social media features such as heart buttons coming into being almost accidentally via some "geek" searching for efficiency is wrong. These features are very specifically designed, engineered, and tested with purpose to increase engagement, usually with input from psychologists. When the only metric is ad revenue via eyeball time and one of the best ways to increase that is outrage and anxiousness, you get increased outrage and anxiousness.