In his new book, Source Code, Gates recalls a unique childhood that led him to build a technology empire. We talk BASIC, old PCs, Microsoft's future, and AI's promise and perils. I'm the ...

How did a little-known Chinese start-up cause the markets and U.S. tech giants to quake? Here’s what to know. By Cade Metz Reporting from San Francisco Tech stocks tumbled. Giant companies like Meta ...