Answer:
"works instantly" or "*insert fake but scientific-sounding term here*"
Explanation:
I'm not sure about the first question, but for the second question, scammers will often say their product works "instantly", or they'll use scientific-sounding terms that really mean nothing.
Hey Friend!
Deaf people require sign language to learn to read.
Blind people require Braille to learn to read.
Hope this helps! :)