This document appears to be a series of tweets by Wil Reynolds discussing various paid link building campaigns he ran on networks like nRelate, Twitter, Taboola, and Outbrain. He provides data on impressions, clicks, links earned, and cost for each campaign. Some campaigns were more successful than others in terms of links earned per dollar spent. Reynolds reflects on lessons learned, such as the importance of testing headlines, creating microconversions, understanding the audience, and taking a holistic approach beyond just link building. He advocates treating it as a business with goals like ROI.