The people you draw to your website will be at all stages of the buying process, with some just starting to do research and some ready to buy. Content is a great way to the keep people at earlier stages of the buying process on your site and coming back until they are ready to purchase. Most people spend the day wading through emails, blogs, and websites, trying to determine what's relevant and worth their time. To draw them to your site versus your competitors', you're going to need quality content that makes your website the strongest in your field.
Clipping is a handy way to collect important slides you want to go back to later.