We are held captive with clues and hints of a world that is opening around the people who are increasingly online. It is not always a good world either. Where it will lead us perhaps only Lain may know. The art is rather simple. You get the feel of how the budget was pushed towards the TV series.
More effort is spent on direction and scene changes than detail and frame count.
For the beginner in Japanese, the heavy use of dialog and written captions will make the nuances and direction very hard to follow. However, this title may be released domestically in the near future.