Examples:
!sr [name of subreddit] - much faster than “reddit.com/r/[name]”
!r - Reddit
!w - Wikipedia
!cache - get Google’s cache of a page
!hn - HN Search
!godoc - Search godoc.org for documentation on a Go package. Your favorite language is probably represented
Catering to power users is a good strategy that the big tech companies have been neglecting