Timeline for Practical non-image based CAPTCHA approaches?
Current License: CC BY-SA 3.0
3 events
| when toggle format | what | by | license | comment | |
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| Oct 28, 2011 at 6:46 | history | edited | Kevin Ji | CC BY-SA 3.0 |
force syntaxhighlight
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| Apr 21, 2010 at 10:02 | history | edited | Peter Mortensen | CC BY-SA 2.5 |
Minor edit: grammar/spelling/case/punctuation/etc.
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| Sep 16, 2008 at 17:02 | history | answered | Tama | CC BY-SA 2.5 |