Editors Schjoedt, Brännback, and Carsrud identified that nascent research about how "social media impacts entrepreneurial behaviors" remains quite fragmented. In Chapter 8, Hurmelinna-Laukkanen, Haapanen, and Holma more broadly aggregate five case studies of Finnish firms to show while social media is low-cost and far-reaching, numerous challenges face small firms' internationalisation. Beyond well-documented online presence, branding, and marketing communications benefits, Bauman and Lucy, in Chapter 2, challenge readers to consider how social media drives and shapes novel entrepreneurial opportunities. [Extracted from the article]