[□] □
[□=□] □
[□ & □] □
Another reason to use randomization is load balancing , so that " hot spots " only occur with small probability . It seems to me that that is pretty straightforward . It is our experience that when we write to referees outside the UK we often receive no reply from one of even both referees . " " In a society that is increasingly digitized , technology creates privacy problems , " Taipale said . However , what we have n't been able to communicate is the basis on which those decisions were made and gather actual data from what those impacts are .