Diving into DeepSeek: inside the 7 February Guardian Weekly

What lies beneath China’s chatbot? Plus: Trump’s tariff tactics• Try the Guardian Weekly with our time-limited 12 for 12 offerIt’s been a tale of technology and tariffs this week as a Chinese-developed chatbot delivered the first shock to stock markets after appearing to have stolen a march on US tech supremacy. For our big story, technology editors Robert Booth and Dan Milmo dived into the implications of DeepSeek, a cheaper and less energy intensive AI tool than Silicon