When tools like ChatGPT first launched, they weren’t even connected to the internet. No real-time knowledge, no live queries, just pretrained data with a cutoff point. Two years later, Perplexity, a ...

From cheaper shopping to tax and travel cash, there is a host of resources to help you out. We pick some of the best The Guardian’s journalism is independent. We will earn a commission if you buy ...

The study of complex systems often involves multiple disciplines, almost by definition as these systems are typically composed of multiple interacting parts at different scales. Consequently, ...

Of your many responsibilities as a small business owner, ensuring that your employees’ pay is calculated accurately ranks near the top of the list. That includes withholding the correct amounts for ...

Cost basis is the original purchase price of an asset. Tracking cost basis is key to tax-efficient investing. Many, or all, of the products featured on this page are from our advertising partners who ...

An obsession with the numbers can sink your strategy. by Michael Harris and Bill Tayler Tying performance metrics to strategy has become an accepted best practice over the past few decades. Strategy ...