Hacker News
new
|
past
|
comments
|
ask
|
show
|
jobs
|
submit
login
vladev
on Nov 10, 2010
|
parent
|
context
|
favorite
| on:
TextCAPTCHA: 180 million simple logic questions
I actually wrote something similar at
http://stopam.com
. Never been to brave to announce it officially.
Guidelines
|
FAQ
|
Lists
|
API
|
Security
|
Legal
|
Apply to YC
|
Contact
Search:
