With Salesforce Knowledge, you can give your service agents, customers, partners and website visitors the ultimate support tool. Create and manage a knowledge base with your company information, and securely share it when and where it’s needed.

By default, all internal users with read permissions, can read knowledge articles. But in order to publish, archive, delete, and manage articles, you need additional permissions. Salesforce Knowledge is available in Essentials and the Unlimited Edition with Service Cloud and is available for an additonal cost in other editions

It is based on Knowledge-Centered Service (KCS) methodology. It is KCS v6 verified. Maintaining a Knowledge base is a continuous process. It involves stages such as Capture, Structure, Reuse and Improve.

More

There are a series of best practices that Salesforce recommends you to follow when working on the technology. Whether you are an admin or consultant doing the configuration or a developer writing code, these best practices help you build a solid foundation, improve quality, avoid making mistakes and become better in what you do.

But this is also true that most of the time these best practices are not being followed. This may be because people are ignorant, following requires extra effort and/or extra investment in tool/technology. 

If you are a Salesforce developer, here is one such tool which is free and easy to use and will guide you to bake quality in your code as you are developing it. After learning how to do it, there will be no reason for you not to use it in your day to day work and become an awesome developer. 🙂 More