Cookies were designed to be a reliable mechanism for websites to remember things that a browser / user had done there in the past, which can include having clicked particular buttons, logging in, having read pages on that site, usage statistics for a given site and compiling long - term records of browsers / users histories. (discoveryeducation.co.uk)
That seems to me the same issue as the abortion decision, except that the unborn child has a great deal longer to live if you don't press that particular button. (firstthings.com)
Otherwise most of us fumble for the first few days looking for a particular button, sometimes in the middle of the street! (bestbabydollstrollerreviews.com)