Timeline for Practical non-image based CAPTCHA approaches?
Current License: CC BY-SA 2.5
6 events
| when toggle format | what | by | license | comment | |
|---|---|---|---|---|---|
| Jan 14, 2010 at 22:58 | comment | added | Mike Robinson | The second and third answers are biased towards people living in deserts or Baltimore. | |
| Oct 22, 2009 at 19:15 | comment | added | tghw | @mmr See, that's actually a benefit of the system, it keeps the smartasses from posting comments... | |
| Oct 21, 2009 at 22:35 | comment | added | mmr | The answers: 1) Right now, a light blue, later, red, then black with hints of orange near downtown. 2) orange, unless it's moldy, then it's green or black or white. 3) brown, in Southern California, unless you're in Beverly Hills, then it's green. | |
| Dec 29, 2008 at 0:26 | comment | added | pistacchio | this is used by ubuntu forum, also. i like it, and the implementations of checks like "2 + 2 = ?" or "what is the first letter of the alphabet" is very simple. | |
| Dec 2, 2008 at 19:04 | comment | added | rmeador | Cyc can solve this trivially... and it's open source. Would require at most a couple hours of scripting to implement. | |
| Aug 22, 2008 at 16:06 | history | answered | tghw | CC BY-SA 2.5 |