Related industry reports: iResearch, financial reports of various companies, etc.
Job skills: everyone is a product manager, steamed bread business school, class three, etc.
Other information: today's headlines, curiosity daily, etc.
In fact, if you want to know information related to the Internet, you can always look it up in search engines. The background big data algorithm will automatically push the content you are interested in later. Of course, knowledge and skills still need to look up relevant materials or watch some video tutorials, such as Chanz Education. Their content is comprehensive, covering almost all aspects of the Internet, including front-end, back-end, product manager, UI design and other disciplines. I wonder if my answer will help you.