The Prime Minister has taken a very brave step, not just because he is taking on a problem that belongs to a multi-trillion pound industry that has changed the planet forever. But because he is saying that whilst he doesn't have every single answer to the technological problems he is not prepared to wait until he does.
The distress when a single child goes missing is enormous for the families involved. Imagine the scale of upset, then, given the suggestion by one charity that more than 130,000 children go missing in the UK each year. The figures quoted by Parents and Abducted Children Together (PACT) are staggering, beyond many people's comprehension.