Complex sentence: A spin-off show, The Digg Reel was launched in January 2008, which was hosted by Jessica Corbin, now being hosted by Andrew Bancroft--it showcases the week's top user submitted videos in comparison to Diggnation's primary focus on news articles.
Split into simpler sentences: A spin-off show, "The Digg Reel" was launched in January 2008, which was originally hosted by Jessica Corbin, now being hosted by Andrew Bancroft. The show features the week's top user submitted videos in comparison to Diggnation's primary focus on news articles.