Reason #1: Rotating Content is fresh content. There is nothing worse than a webpage that always looks exactly the same.

Fresh content gives your students a reason to come back to your webpages! The changing content can provide a positive stimulation to their thinking each time they visit the page.

Random content makes your page unpredictable: and that's a good thing! The use of unpredictable new content can give your webpages the kind of spontaneity that students might expect from a teacher's live presence in the classroom, as opposed to the mechanical, impersonal sameness of a webpage that always looks the same.

So, just for fun, here's a spontaneous English proverb - supplied by the "Random English Proverb" script: