Just a little placeholder for short glossary note on the history and legacy of social tagging in the hope that someone easily could write about this.

What if the message is remixed or misremembered or the wrong syntax is used in a way that the network suffers a break? What happens if the fork is unintentional, or a different collection forms through a simple misspelling? (Compare #sydneyseige and #sydneysiege etc.)