IPFS is a consideration. Relying on a separate network isn't ideal though. Even if it only uses file hashes, doing something on-chain would be preferred.
To clarify, this is for saving on Bitcoin and 1) Can be viewed as a post here under ones account if they post it 2) Gets posted on Bitstagram too. Is there a way to save links of posts from within Memo if I want to retrieve that Bitstagram link later?