Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
|
try_again's favorites
login
submissions
|
comments
1.
WhatsApp scaled to 1B users with only 50 engineers
(
quastor.org
)
636 points
by
unripe_syntax
on Oct 25, 2021
|
454 comments
Consider applying for YC's Summer 2025 batch! Applications are open till May 13
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
