People want more internet and more cloud storage. We don’t use floppy disks, cd ROMs or even external hard drives to store our data anymore. Data is heavy, precious and entrusted to large centralized data centers. With all this demand these centers can’t cope. Users can’t access their data with simultaneous efficiency. outstripping growth blockchain companies are looking to provide an answer
Some decentralized blockchain projects require decentralized storage, but decentralized storage doesn't need blockchain to work. In fact, blockchain is undesirable there, because it's redundant, inefficient, doesn't scale well. Also, centralized data stores will generally be faster and have more capacity, the point of decentralized ones is censorship resistance, which comes with tradeoffs.
There is a common misconception among people regarding blockchain technology. They think it's some kind of fairy tale magic which can make any internet use-case better. But that's not always right. Blockchain Technology is not optimizable everywhere especially when we are concerned with speedy data transmission. Blockchain Technology requires some extra computation work like Proof of Work in order to validate blocks and enhance security. But involving blockchain unnecessary will only leads to waste of resources.
I have also created thread couple of days ago to know what people think Blockchain Technology is: