Hi, The language annotations are a best practices conducive to a better organization of your web pages within country and language SERPs. They won't provide higher rankings. They will, however, produce a better experience for users who will find content that is intended for certain geographies, ...
The best way to learn is by starting a company yourself. This could be anything from a web development company, e-commerce or even a lemonade stand! The second best way to learn is to work closely with another entrepreneur, either at a startup or as an assistant to the CEO/executive. It's import...