A brief (5 minute presentation) I gave at the Sydney WordPress meetup on why using standard CAPTCHAs are offloading your security activities onto your users.
4. write great stuff
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14. omg*
* (recording of unintelligible voice synthesis reading out a large number of texts simultaneously when pressing sound icon)
15. WTF?
you used a CAPTCHA because:
• you want to avoid registrations from ‘bots
• you want to prevent comment spam
• you wan to maintain some security
• you want to annoy your visitors
17. text based
• The last letter in “unrolled” is?
• 4 plus two is what?
• Which of 3, twenty-nine, 70, 46 or 65 is the
lowest?
• I have two, you have 2. How many is that?