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I tried uploading to Dtube last summer but was never able to do it. The service really seems to be improving though so I think I'll try again rather soon. I'm still not clear on where our uploads are hosted. I know they call it IPFS but who actually runs the storage. I'm also wondering if I can host an IPFS server of my own videos so they don't disappear off Dtube. I'd like to find these things out before my vacation ends and I have to go back to work.

Hey bud, nice to see you.
You're right that DTube is far more reliable now than ever before. That said, I still think it needs to go from "usually working" to "almost always working", for it to really compete with the big mainstream media sites. I want that, really badly! So it's frustrating to see the site continue to be decent-but-not-amazing.
Good question about where data is hosted. I've wondered but never investigated. I keep a safe offline copy of everything I upload, of course, but I'd still like to know where the online 1s and 0s are.

Yeah I'm hoping it will work out better soon. I'd like to do videos and watch stuff