Dying and already dead jobs

Work. Key to survival of goverments and people. Almost everybody had, have or will have a job. Not necessarily because we want to but because we have to. Thankfully there thousands of occupations to choose from( in the past we have'nt had that kind of possibilty. With time and progress of technology many new jobs appear. But at the same time some those are elimnated because that progress. Some of those are:
1. Mailman- this job is disapearing because of development of the internet. There is no need for somebody to walk from home to home giving out letters and wasting time and somebody's energy. All that can be done by sending that mail to our computer by the internet. Of course there are things we cannot recive thru internet like a new chair or a skateboard but it is rare we order this kind of stuff.
2.Sewers- most of that work can by done by sewing machines faster and with no mistakes

There are many more dying jobs. They also disapear because  managers spend less money on machines than on employees. When we will develop robots advanced enough to do some of our jobs i belive at least 35% of jobs will disapear. At least somebody will a have a job to repair those robots. Unless robots will repair robots. Eeeh... terminator scenerio is coming