Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
jknz
on Aug 25, 2017
|
parent
|
context
|
favorite
| on:
I spent my career in tech, but wasn’t prepared for...
1B startup idea: equip every primary/secondary/high schools with walls that block every cellular signals.
Consider applying for YC's Spring batch! Applications are open till Feb 11.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
