We are dealing with and using, aren't we, knowledge in order to complete projects, research concepts, build ideas, create work-related items, etc, knowledge expressed across the internets in multiple forms, flavors and understanding levels.
It seems that sometimes we need specialized informations, knowledge created by scientists and professionals, in order to grasp, edit, point out accurate parts of life, such as highly-detailed theories, massively-measured reports, in-depth researched studies, etc.