Everything before doing blog there were only a few centralized platform but now lot of services are there. Some platform don't maintain the privacy and security they are all sell our data to third party advertisers and make money from our data so we should protect our data from them.
Hive is decentralised blockchain it store our data into the decentralised database no one can sell or manipulate our data. So we can easily find the duplicate contents here.
Currently blockchain technology is emerging all the tech companies are adopting blockchain it is for gaming, important data's and documents but few social media blockchains are there but some are decentralised nor centralised.
Hive is only have a decentralised blockchain it's fully controlled by hive communities so that any other can't control it.
If you write any post in hive it will live long years without any problems for like censorship. No needed to worry about that but you should only backup your hive account keys it's plays a main role for your content security.