The term ‘woke’ has been around for decades, but it came to most people’s attention around that time. Woke – essentially meaning being aware of the world around you – came to greater significance in reaction to the populist wave ridden by Donald Trump in the US as well as the Brexit vote in the UK.
There were also more specific incidents which took place that year including the Michigan water crisis, which disproportionately affected Black Americans, and the killing of Freddie Gray by the Baltimore Police which led to widespread protests – a precursor to the Black Lives Matter movement a few years later.
While Dorsey wore the shirt himself, it’s not quite clear why there is still a cupboard full of them at Twitter HQ in San Francisco six years later - and we're not sure why Musk is so taken with them.
It comes after a large amount of staff members have quit Twitter after Musk gave them an ultimatum of either leaving or doing "long hours at high intensity" work.