Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
24gttghh
on June 7, 2017
|
parent
|
context
|
favorite
| on:
Why printers add secret tracking dots
Ahh the sign of a good hobby!
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
