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I did not understand the accountancy bit but someone told me that modern accountancy software is so good and gets updates automatically that people just do not need to employ an accountant as it is so easy to do it yourself.But of course there will always be those who are too lazy to do it themselves.
The really amazing bit was the machine that travels over a field and picks out only weeds leaving the crop untouched. It does the work of a 30 strong weeding gang. There was also a machine that picked,sorted, cleaned, weighed and packed carrots in a combined operation. From field to supermarket pack all without manual workers just a couple of people operating the machine.It replaces over 30 workers with just 2 operaters and does it much faster.
Do we know of more like this?
Another thought , mail delivery replaced by email. The post office strike will help put more of them out of work.
Manual advert delivery eliminated by targeted internet advertisements.
(The postman has just put an advertising leaflet through my letter box )