Update Your Content Regularly
Updated content is seen by search engines as an indicator of that content’s relevance. In addition, you should periodically re-visit step one, above. The value of each keyword is always in flux and you should ensure you are always leveraging the highest value keywords in your content.
Also ensure you re-visit your features and benefits content to highlight specific use cases for customers that are currently being searched for. Add new use cases based on current trends and then perform the same keyword research based on your newest use cases.