Microsoft Academic (MA) claims to be an academic search engine that uses knowledge discovery, machine learning, and semantic inference to help users search for scholarly information in new and better ways. However, this is not the first iteration of Microsoft Academic. Since its debut in 2004 as Microsoft Academic Search (MAS) (Ortega & Aguillo 2014) and its relaunch in 2014 (Harzing 2016), it has been heavily analyzed, tested, and critiqued in the literature. While this review will address some aspects of Microsoft Academic's history, the focus will be on the product's current features.