You might wonder what relevance jokes about an erstwhile Playboy centrefold might have to a science blog, but bear with me – all will soon become clear. Many readers of science blogs such as Layscience will be familiar with the singularity that is Jenny McCarthy, autism activist and antivaccine campaigner. Jenny’s point of view regarding science in general and vaccines in particular is that her own experiences trump those of orthodox science, and that her opinions, backed up with her diploma in logic from the University of Google, matter far more than the views of others with specific clinical and research experience and established authority in the field.