I used to believe that if you were holding a phone up to your ear the person on the other line could hear all of your thoughts and it wasn't necessary to talk.
A childhood belief about technology

others believed things like this
- Olivia Newton John did sing let me hear your budgie talk! didn't she— J Scull
- I always thought that my relatives were really tiny, and inside my phone when I talked to them on the phone.Anon
- I used to believe my thoughts came from my tummy.— lollypop
- I BELIEVED THE TEACHERS COULD READ MY THOUGHTSAnon
- i used to belive...
that when ever my mom hugs me or touches me...she can read my thoughts
— wojod - I used to beleive when ppl didn't talk (deaf ppl) they lost their voice and could never talk again!— Tiara 10