They released Memories last year which lets you back up your sent Snapchats with them. So I'd expect some non trivial permanent storage costs, at least at their

They released Memories last year which lets you back up your sent Snapchats with them. So I'd expect some non trivial permanent storage costs, at least at their scale. https://www.snap.com/en-US/news/post/introducing-memories/ https://www.snap.com/en-US/news/post/introducing-memories/