Complex sentence: Ryan shows the staff at the branch the new Dunder Mifflin website, "Dunder Mifflin Infinity 2.0", the previous version of which was shut down because sexual predators had invaded the social networking component of the site.
Split into simpler sentences: Ryan shows the staff the new Dunder Mifflin website, "Dunder Mifflin Infinity 2.0". The previous version of the website was shut down because sexual predators invaded the social networking component of the site.