StoryNote
Log in
|
Sign up
Luis von Ahn, founder of the popular language learning app Duolingo, also invented reCAPTCHA
by
/u/Wrangler_Reasonable
in
/r/todayilearned
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