What is Kiplinger personal finance?

Can you tell me more about Kiplinger personal finance? I'm curious to understand what kind of resource it is and how it can help individuals manage their finances. Is it a magazine, a website, or both? What kind of content does it cover? Are there any specific financial strategies or tips that are featured regularly? Is it geared towards a particular demographic or financial situation? I'm eager to learn more about how it can be a valuable tool for personal finance.