The thing I love the most about this movie is that it constantly forces you to ask deep questions... about our society and deeper philosophy as well.
The interplay with Oona's younger half-brother and his "soulmate" is downright reminiscent of an arranged marriage. It also makes a commentary that cuts both ways across science and religion: because a "scientific" timer tells you when you meet your "one true soulmate," do we accept this? Can a countdown REALLY tell you this? The question cuts back the other way where you watch as people share this almost devotional faith to the TiMER units themselves; "How can you find love without a TiMER?" Why would you have faith in such an object?
Further, it allows us to ask questions about certain kinds of products and their consequences on society; if you watch how the people in the world of the movie act, talk, and react with all things "TiMER," it gives you insight into how far-reaching an simple idea can possibly blossom.
Not quite as comedic as I was expecting, but this movie is worth its weight in the story itself (philosophy aside.) It's a versatile movie, can be taken either deeply or routinely, and has excellent performances throughout.