Ev Williams. Photo: Pedro Fiúza/NurPhoto via Getty Images
The future of Medium, the publishing platform popular among startup founders and Barack Obama, is murky as co-founder Ev Williams steps down as CEO after 10 years at the helm.
Why it matters: Medium has raised millions in VC funding to change publishing and made two interesting acquisitions in audio and ebooks last year. It's unclear if the company can sustain — let alone thrive — amid increased competition.