"Health secretary Jeremy Hunt has made calls for technology companies and social media to do more to tackle the problems of cyberbullying, online intimidation and -- rather specifically -- under-18-year-olds texting sexually explicit images. Of course, he doesn't have the slightest idea about how to go about tackling these problems, but he has expressed his concern so that, in conjunction with passing this buck to tech companies, should be enough, right?"

How do you ID a pseudonomynous individual online?