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Film at 11.

What benefit do you get from trading one arbitrary system for another?

And yes, that's what both of them are (both QWERTY/DVORAK and Standard/Metric). They are all arbitrary systems.

Most hearing aids don't amplify (well, not as their primary purpose anyway) anymore. Back in the old days, sure, that's what they did (electronic equivalent of an ear horn).

Modern hearing aids shift frequencies (usually downward, high frequencies have the most energy so you damage the short hairs in your cochlea first) to a frequency range you *can* still hear.

So if you're thinking about making your own, *please* do the proper research first. It will work better, and you will be less likely to damage your hearing further.

http://www.ubuntu.com/getubuntu/releasenotes/910overview

Only LTS releases will get point releases, but they're not really "releases" just refreshes of the ISOs, it's nothing meaningful as far as installed systems are concerned (I guess it's useful for setting milestone goals or something, but that's not technical). They take the updated packages, throw them on the CD so you don't have to download as many updates after you install.
Having an installed system that you updated completely the day the images were released* would leave you with the same system.

And while we're being thorough they're offset by three months, so January an August.

See http://www.markshuttleworth.com/archives/146 for more information (including fancy pictures).

* It's likely a day or two before release, whenever the images are created, yadda yadda.