Digital platforms, the websites and apps which compete for our precious screen time, have successfully invaded the traditional territory of many sectors of the “old economy”. They have become the preferred – expected, even – domains for many kinds of human behaviour, from banking and property buying, to dating and entertainment.

At an upcoming summit in early December, NATO is expected to declare space as a “warfighting domain”, partly in response to new developments in technology. If it does declare space a war zone, NATO could start using space weapons that can destroy satellites or incoming enemy missiles. But what is this technology and how could it enable a war?