Write me an essay on SpaceDock

`"term in quotes"`	For terms with spaces
`-term`	Exclude mods matching `term`, which can be a word or another advanced term
`user:[author]`	For mods by [author]
`ver:[version]`	For mods compatible with [version], can be either the full version number or a partial prefix, e.g. `ver:1.12` matches 1.12.0, 1.12.1, and 1.12.2
`game:[game]`	For mods for [game], by number or part of name
`notif:[notification]`	For mods enabled for a given notification by part of name, e.g. `notif:CKAN`
`downloads:>[count]`	For mods with at least [count] downloads
`downloads:<[count]`	For mods with fewer than [count] downloads
`followers:>[count]`	For mods with at least [count] followers
`followers:<[count]`	For mods with fewer than [count] followers

Write me an essay