In today's newsletter: Communities from Scotland to India are pushing back against datacentres, warning they threaten energy supplies and the climate This summer, datacentres have become targets of resistance across the world. Ever since the arrival of ChatGPT, big tech has been lobbying for the creation of enormous new facilities. Many governments claim they're essential in any country that wants to cash in on AI. Campaigners argue datacentres drain resources and exacerbate the climate crisis. The Scottish National Party has backed a moratorium on new developments; so has the Greens.

Even if you think you know what cloud means, the word is fraught with too many different interpretations for too many people. Nevertheless, the effect of cloud computing, the web, and their assorted massive datacenters has had a profound impact on enterprise computing, creating new application segments and consolidating IT resources into a smaller number of mega-players with tremendous buying power and influence. At the top end of the market, ten companies – behemoths like Google, Amazon, eBay, and Alibaba – each spend over 1 billion per year on IT. These ten companies alone account for approximately 20 billion per year in IT consumption. Beyond that top tier, hundreds of additional companies complete the hyperscale landscape.