Published in Daniel S. Katz's blog

(with contributions from Michelle Barker, Neil Chue Hong, Matthew Turk, Jeffrey Carver, Hannah Cohoon, and James Howison) Ok, this title is a bit of a teaser, but what I really mean is that while we can say that research software has been sustained, we can’t predict with certainty that it will be sustained in the future, or even fully know what factors we should use to make an uncertain prediction.