> (It has few uses outside of research.) People loved trackbacks and other forms of bidirectional links, like monitoring where a link is shared on social media

> (It has few uses outside of research.) People loved trackbacks and other forms of bidirectional links, like monitoring where a link is shared on social media or checking quote-tweets. They're awesome for commentary and discussion. The problem was never having 'few uses'. The problem was having too many uses - to spammers, as well as big tech companies trying to enclose social media to profit off walled gardens.