Basically, an RSSbox is an RSS reader widget - a rectangular area on your website or blog displaying text and images from RSS feeds. When creating a new RSSbox you decide on which type of layout and which RSS feeds to use. Convert RSS to HTML, convert RSS to Javascript, convert RSS to PHP and include RSS on Facebook.
Want to make a RSS from Google Plus?
I actually have used this a lot. Very effective technique.
RSS for curation
In video #4 of our series on RSS, I delve into the benefits of content curation and how to use your RSS reader to find, filter and share relevant content.