Why Perplexity's $34.5bn bid for Chrome is a wake-up call for browser giants
Upstarts more confident to take on industry leaders with AI and new ideas on their side
OpenAI rolls out 'PhD-level' GPT-5 to all of its users
Platform is similar to 'having a team of experts on call', says company
Apple announces new $100bn investment in US manufacturing
Latest investment comes as Trump raises tariff rate on goods from India
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