There's a lot of talk about making AI more open and accessible. Open source AI means that anyone can understand how an AI model was made and use it freely. The Open Source Initiative (OSI) created a definition for open source AI to help people understand what it really means. However, some companies, like Meta, say they're making open source AI, but they have rules about who can use it and don't share all the details about how it was made. Some experts worry that this isn't really open source and could actually make a few companies even more powerful. Meanwhile, companies like Microsoft and Apple are adding new AI features to their products, like Microsoft's Copilot assistant and Apple's improved Siri. While these features are exciting, it's not clear how quickly people will start using t ...