How do you feel if you've collected something with wholehearted efforts, but as time goes on, all your treasured precious become almost worthless? If you cannot grasp this feeling, think about your movie DVD investment then.

People always doubt that whether one day DVD will be replaced by Blu-ray, Netflix streaming or other home video services. Although it has been passed five years after the first DVD dying anxiety was concerned, DVD disc-based video is still what U.S. consumers spend their home-movie money on.

(Credit: BusinessInsider)

Obviously, DVD is the 'happy medium' comparing with Blu-ray, disc rentals, Video on demand and online streaming downloads. In a relative low price, DVD is superiors to Video on demand or streaming because the later two options cannot build a movie collection. And DVD is always available sooner than others. What is more, DVD disc-based media is portable (Rip DVD to iPod is included) and transportable while network is necessary when using streaming service.

It might be a leading trend that Blu-ray will replace DVD sooner or later. 1080p full-HD quality gives best performance on larger than 34' HDTV. Another primary advantage of Blu-ray is the disc surface coating technology, which unlike DVD who need a tender care or backup. However, consumers will spend the most on DVDs within a few years of buying their first DVD player. And unfortunately, after 18 months Sony and Toshiba's post DVD war appeased, they have sold less than 1 million Blu-ray players, combined. And this is why Blu-ray would be bound to - its price. Below is a chart from BusinessInsider which showing that the sales of Blu-ray pose no threat to DVD.

Bottom Line: so the conclusion of this article is that DVD is not dying yet (we predict after 2013 some media type of a new format will replace DVD). And it is still worthy of keeping collecting DVDs on your shelf. Well, a DVD backup, DVD ripper tool will also play a role to protect your DVDs from scratching or loss.