StoryNote
Log in
|
Sign up
In your opinion, what is the most important invention of the 20th and 21th century?
by
/u/NoradIV
in
/r/askscience
Read on Reddit
Upvotes:
1
Favorite this post:
Mark as read:
Your rating:
--
10
9
8
7
6
5
4
3
2
1
0
Add this post to a custom list
StoryNote