Sublean analyzes lots of subtitles and enables search on them. Besided that it provides alot of analytics on their text.
Every subtitle is analyzed for sentiment and most frequent words appearing. It also provides sentiment through time.
Besides that, topic modeling is done so you can see topics mentiond through movie.
Also, this doesn’t work just per movie, it works through entire database of all movies gathered. This way it provides kinda birds eye view of movies through time.
You can see what was popular in movies during 90s, 70s etc. and gain insights about society and culture that way.