motion captcha to prevent spam
 

I think the motion captcha is the most effective human verification to prevent spam till now
it will be great if vb have the motion captcha as human verification as the option to prevent spam

http://www.josscrowcroft.com/project...jquery-plugin/
https://github.com/josscrowcroft/MotionCAPTCHA

please integrate the motion captcha as one of the default human verification options
to those who agree with me please vote for this http://tracker.vbulletin.com/browse/VBV-7597 in JIRA