No, their primary use is to protect the web site from spam and automated attacks. If you recall they used to be letters and bits of text. Now they’ve hit on the idea that you might as well solve a useful puzzle as not so they are using images of street furniture etc Quite clever really.
They’re not going to go away until someone can hit on a better way of differentiatin humans from bots.
Last edited by: CGNorwich on Sun 25 Nov 18 at 10:03
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