what kind of classes we could use. well anything.
- contains link
- contains video
- contains image
- is less than 20 characters
- is more than 20 characters
- is over 100 characters
- contains line break
- pubkey contains two zeroes
- pubkey has pow of at least 16 bit
- is a reply
- is kind 1 note
- is kind 7 event
- contains link to youtube
- is a picture of car
- is a picture of cat
thats just 15 bits
local search. of any classification information.