Comment on WHAAAAT? Unlimited storage for $4.99 a month not a viable business model?parentComments−wlievens15yYou need a decent hash of every file anyway (to check for changes etc) so it's pretty trivial to deduplicate. I don't think you'd need to do stuff like check the ID-tag.−edanm15yBut then my music files, which I edit the id-tags for, will show up as different than other people's when hashing.It would be interesting for Dropbox to release numbers on how many music files are identical between different people.−scottbessler15yI believe they could (and probably do?) de-dupe at a lower than file level to handle this issue.−wlievens15yGood point. The ID3 tag is probably only in the header anyway. They'll just do it at a block level.
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You need a decent hash of every file anyway (to check for changes etc) so it's pretty trivial to deduplicate. I don't think you'd need to do stuff like check the ID-tag.
But then my music files, which I edit the id-tags for, will show up as different than other people's when hashing.
It would be interesting for Dropbox to release numbers on how many music files are identical between different people.
I believe they could (and probably do?) de-dupe at a lower than file level to handle this issue.
Good point. The ID3 tag is probably only in the header anyway. They'll just do it at a block level.