For example, sport teams used to have sponsors and only boys could play. Today, the park district has teams but no sponsors and lots of girls play. The Girls Scouts had to wear their full uniforms, but today they just wear a vest or sash. Also, the troops all belong to one big council. Today the building is a grocery store and the movie theater is in a small building next to other stores.
People do many other things for entertainment instead of seeing movies.
For example, in 1949 there was 60 miles of water mains. Today there is 106 miles. In 1949 the police and fire departments were together in the same place. Today each one has their own department and buildings. For example, products that people buy are modern and improved, or they are completely changed.