Aside from SEO and Pay Per Click, one key tactic for increasing click-through to a client website - getting as much branded content as possible distributed on different sites to increase presence and create a network of links back to the main site.
The purpose of syndication is to click through out of interest. As they are reading the host article or watching a video clip, you want them to spot the link to your content in the ‘Related Articles’ section and be engaged enough to click.