HN Explorer
↵
Trending
Stats
☾
Duolingo grew from 5M users to 200M in 5 years
(twitter.com)
2 points
by
florianmari
5y ago
↗ HN
0 comments
[
3.3 ms
]
story
[
7.2 ms
]
thread
No comments yet.
0 comments
[ 3.3 ms ] story [ 7.2 ms ] threadNo comments yet.