I wish this was really going to happen. I really do, but I think it is right up there with jetpacks and flying cars. It will keep being "in 20 years" for a long, long time, like forever. The technology will probably catch up and many if not most companies will have what the article lists. Mine mostly does now, but I've yet to see a company that provided the connection. That usually falls on the employee. Part of the work-at-home tax along with office supplies and such.
The reality is many people are not cut out to be remote workers. Others excel at it. It's sometimes difficult to measure too. I've got remote workers that quietly get the job done and I've got others that make a lot of noise and generate activity, but don't really seem to be very productive. Both groups make it difficult to lead remote teams. Sure, there are similar issues when workers are in an office, but remote workers add that extra layer of uncertainty which ratchets up the difficulty.
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