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I was on a site the other day and the captcha asked me "what color is an orange?", which I liked but I need something for a multi-national community.
So, I was thinking about numbers.
2 + 2 =?
1, 2, 3,?, 5
How many stars are there? ******
has anyone seen this type of numeral based system being used. It goes beyond OCR because even if spiders, as I've heard, are getting better at character recognition, they will still need to "solve" the captcha.
Any thoughts on the workability of this?
2 and 2
2 plus 2
sum of 2 and 2
2 + 2
and so on...
the key is using a captcha response that isn't in the original image - and numbers seems the best way of doing that.