They call it a "Picture-in-Picture for the Web". This is SO kewl! I can think of many applications for this "Bitty Browser", from in-course links/feeds to using multiple browser boxes as a website organizing method. Check it out as you think creatively (click on the title of this post).
Here's an example -- I used a Bitty Browser to post my list of subscribed feeds on my Resource Site's Acknowledgement page.