Microsoft is the latest tech giant to make its pitch for being the leading AI company in 2024, unveiling new PCs built around its Copilot AI assistant. Ahead of the firm’s developer conference, which begins on Tuesday, the company has announced its Copilot+ PC range, consisting of a Surface Laptop and Surface Pro tablet, which it says are the “fastest, most intelligent Windows PC ever built”. They include a dedicated button to prompt the Copilot AI assistant at any time, as well new AI-powered apps such as Recall, which allows users to look back through their device to find what they’re lookin…