The document discusses how incorporating new media like the internet and social media platforms is a key part of marketing films in the 21st century. It notes that many films now have Facebook and Twitter pages where they can post updates, sneak peeks, and insights into the characters and plot. Trailers and posters for recent films also include website links and hashtags at the end to encourage viewers to find out more information online and interact using hashtags, helping to generate buzz through word of mouth on social media. The author intends to take this approach when creating their own film trailer and poster.