Comment 78 for bug 215728

(In reply to comment #16)
> How about making firefox download a database *snapshot* incrementally? We know
> how to download files incrementally (see software update). With this approach,
> users won't be protected until they get the whole thing, but Firefox might use
> less memory and CPU as firefox downloads it the first time, and Firefox might
> even be able to download it more quickly.

If we can figure this out on the server side, it would be reasonably easy to implement, and would almost certainly be a better user experience (downloading roughly the same amount of data, but no significant CPU/memory usage). So yeah, if we can figure out where to host these snapshots this would be a good solution.