Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
Someone1234
on June 10, 2015
|
parent
|
context
|
favorite
| on:
Duolingo Raises $45M, Now Valued at $470M
What does "official language exams" mean?
Consider applying for YC's Fall 2025 batch! Applications are open till Aug 4
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search: