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Since they introduced the square-selecting captchas I have always assumed that they use it for identifying the user. I bet that depending on how you solve the c
by rum3 7y ago
Since they introduced the square-selecting captchas I have always assumed that they use it for identifying the user. I bet that depending on how you solve the captchas they can identify who you are if their system already has a theory of who you might be.
- kmlx 7y agothey're there for denying access to automated scripts.
- pawelk 7y agoThis is the reason they exist in the first place, but doesn't answer the question why they're implemented this particular way.
- faceplanted 7y agoThey're implemented this particular way to provide training data for image segmentation systems, they move the image around inside the frame which allows them to use a few people doing the challenge to create a boundary representation that can be used to train things like YOLO style ML systems