Hi Maxime, a couple points, - It synchs with all the media you post, no matter which app, and puts it into your own private account page allowing you to view, arrange in folders, or delete your media completely separate from any of the apps you posted in. Delete is important in case you doxx someone etc. - It doesn’t have to be Nostr posted media, you can store any media you want and view it from any platform, anywhere in the world, your own cloud storage. - You get larger storage and upload limits with an account. Check out this video, it might help.