In the preprint version of her chapter on the performance of Twitter as a metric of scholarly impact that scientific articles have, which Stefanie Haustein wrote for the Handbook of Quantitative Science and Technology Research, a discussion on the validity of altmetrics is broached. A Blog Article by Pablo Markin. Guest-authoring a post, published on June 12, 2018, for the Altmetric Blog, Stefanie Haustein, an information science scholar from the University of Ottawa and Université du Québec à Montréal, Canada, has drawn attention to the mixed findings on the connection between Twitter mentions and citation counts of recently published articles. […]