People don't have to spend as much time on subsistence. With these improvements, people have more time on their hands. Now they must be educated and find something for themselves to do. For the younger generation, new tasks are replacing subsistence work. There is now record keeping, IRS, employment records.
People have to be able to read and write and do arithmetic much more than they did then.
She also became skilled in crafts. I learned to make winter mittens and boots, handbags and slippers out of seal skin. I also learned how to make yo-yos. I learned how to use every part of the salmon. Using her hands to demonstrate, she tells how she made salmon skinboots.