Tracking return visits with The Anonymous Cookie
I’m still working through the pros and cons of using cookies.
                                                    On the one hand, they seem like they will allow some super-useful
                                                    things at relatively low cost, such as tracking a returning visitor
                                                    in order to show “visitors” and “unique
                                                    visitors”. But adding non-essential cookies (analytics are
                                                    classed as non-essential) means that, in theory,… 
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