This document discusses using social media and APIs to analyze link building opportunities. It describes scraping social media platforms like Topsy, Facebook, and Twitter to gather usernames of sharers, shared URLs, and social metrics for two articles. Graphs are created plotting the number of links against various social metrics like retweets, likes, and shares. This helps identify which social media activities may lead to more links. Power users who shared both articles are identified, and relevant domains are prioritized for future outreach based on factors like whether they already link to competitors.