Information site Most websites fit in this category to some extent. They do not necessarily have commercial purposes. Most government, educational and nonprofit institutions have an informational site. A quality book recommendation engine which work https://portal.uaptc.edu/ICS/Campus_Life/Campus_Groups/Student_Life/Discussion.jnz?portlet=Forums&screen=PostView&screenType=change&id=59d2ef9a-862a-4520-96a1-639b7013838a