A very popular measure

John Carr is one of the world's leading authorities on children's and young people's use of the internet and digital technologies. He is a former Senior Technical Adviser to Bangkok-based global NGO ECPAT International and a former Secretary of the UK's Children's Charities' Coalition on Internet Safety. John has advised the Council of Europe, the UN (ITU), UNODC, the EU and UNICEF. A former member of Microsoft's Policy Board for Europe, the Middle East and Africa and a former Vice President of Mspace, he has also advised several of the world's largest technology companies on online child safety and ethical investors with shares in high tech businesses. John's skill as a writer has also been widely recognised. http://johncarrcv.blogspot.com and https://substack.com/@johnc1912 View all posts by John Carr