Almost all novels are improved by cutting from the top. On their first pages, authors parade those favourite effects which disgust the impartial reader. ↗
Science coverage could be improved by the recognition that science is timeless, and therefore science stories should not need to be pegged to an item in the news. ↗
We finally found out the technique of separating and getting information about where every train would be at any moment. Of course, I went over budget many times, because - as you go along - some things improved, and you get better ideas. ↗
In a very complex way, things have improved in the dramatic field. Before you had the good and the bad and you couldn't mingle them. Now it's more ambiguous. ↗
I think in the old days, films really went for the shock, with the blood and guts, but movies are getting better. The writing and directing have improved a lot, because the audience demands it. ↗