I read a lot of kiddie science fiction books when I was younger(okay so I still read sci-fi) anyway for at least a few years I thought we lived in the 21st century (this was in the late 1980's/early 1990's) and couldn't quite understand why we didn't have cool spaceships and stuff like in the books I read.
A childhood belief about technology

others believed things like this
- After my dad read The Hobbit to us, when we were little, I thought that Gollum lived in the toilet. — PixelFish
- I thought vegetarians couldn't read Chicken Soup for the Soul. — Aretia
- I used to believe that what happened in science fiction/horror is movies was realAnon
- i thought grown ups read in a different language!Anon
- I legitmately thought that my mom wouldnt be able to read my diary if I wrote it pig latin!— Ashley
- When i was little, I used to send Jesus birthday cards on christmas and thought he would read them in heaven.Anon