Image via WikipediaUnique sections to help differentiate the types of link building they offer. Some are more service-based, others are pure-software and the firstly section is more visibility-based than turn link  acquisition.
Zemanta
One of the unique offerings in the stay fresh a small amount of years, Zemanta lets publishers submit a feed of content or images to them, which so therefore appear in front of bloggers in the "composition" window (while they create their posts). These are labeled as "related posts" and control multiple reimbursement: