How to use IPFS to keep track of history for every file?

[minxinping0105]

Version information: 0.4.10

Type: Feature

Severity:

Description:

In the https://ipfs.io, it said "IPFS removes duplications across the network and tracks version history for every file."How can IPFS keep tracks version history?

[leerspace]

Possibly related to ipfs/notes#23