Update 22.3.20 it is now the Liam Gallagher washing his hands really shitely test:
How far ahead can we make accurate and detailed political predictions? I propose the Gerry Adams Novelty Mugs on Twitter Test. We ask: how many years ago could you have predicted that Gerry Adams would be tweeting about novelty mugs?
We could probably have made that prediction, say, a year ago based on his whimsical twitter style. However, think about the difficulties in going further back, say 5-10 years, to consider the role of the rise of social media and its confluence with Adams’ new position in the political landscape. Then, consider that Adams’ case is relatively simple, compared to the interaction between a wide range of actors, institutions, socioeconomic conditions and events which produce political changes. In short, the test is there to remind us to be wary of people claiming to have the political equivalent of clairvoyance.