The content of a knowledge datastore is evaluated and improved. In a first aspect, the content effectiveness of individual snippets is evaluated and a content creator is requested to improve snippets with a low content effectiveness. In a second aspect, the supply of and demand for content in each content topic is evaluated, and a content creator is requested to create articles for content topics for which the demand exceeds the supply. In a third aspect, the message responsiveness and content effectiveness of content topics is evaluated and a content creator is requested to create articles for content topics with a low message responsiveness and/or content effectiveness. In a fourth aspect, the content utilization and content effectiveness of individual snippets is monitored and snippets with a high content effectiveness and a low content utilization are promoted, whereas snippets with a low content effectiveness and a low content utilization are deprecated.