I have had a blog for quite some time. It is useful to be able to direct students to a blog post to be able to direct them to any data, videos, or media you would like them to view. It is also useful for posting daily assignments if you are not using a LMS. I used to do this quite a bit in the last district I worked.
Here is an example of a screen shot showing directions of how to sign up to use Poster My Wall, a website I often use for digital poster creation.
