This is a claim used to justify dumbing-down, the idea being that if technology changes working life really quickly then there is no need to teach content as it will be irrelevant by the time our students get to the workplace. The widespread use of the claim in educational environments can almost all be traced back to the “Did You Know?” or “Shift Happens” videos that went viral among fashionably minded educators some time back. These consisted of a variety of poorly sourced and dubious claims about the future accompanied by enough bright colours and loud music to hypnotise the congenitally gullible. The sources were available here (but no longer, let me know if you have an up to date link) and when they were they indicated that it can be traced back to a claim attributed to a US politician in an obscure out of print book. This would be reason enough to discount it, however (just in case you think the second hand utterances of the political classes are a reliable source of information), I should also point out that the book was published in 2004 and was a prediction and not a fact. Did it turn out to be true? Well I know of no definitive list of the most “in demand jobs”, but I can find several attempts to find something similar. HR magazine published a list (from a now defunct website) of the Top 10 “in demand” occupations in 2009: