[112523] in cryptography@c2.net mail archive
Re: DRM for batteries
daemon@ATHENA.MIT.EDU (Steven M. Bellovin)
Sun Jan 6 12:34:43 2008
Date: Sun, 6 Jan 2008 17:09:43 +0000
From: "Steven M. Bellovin" <smb@cs.columbia.edu>
To: Stephan Somogyi <cryptography@lt.gross.net>
Cc: cryptography@metzdowd.com
In-Reply-To: <p06240800c3a5be3c52b0@[192.168.11.12]>
On Sat, 5 Jan 2008 15:28:50 -0800
Stephan Somogyi <cryptography@lt.gross.net> wrote:
> At 16:38 +1300 04.01.2008, Peter Gutmann wrote:
>
> >At $1.40 each (at least in sub-1K quantities) you wonder whether
> >it's costing them more to add the DRM (spread over all battery
> >sales) than any marginal gain in preventing use of third-party
> >batteries by a small subset of users.
>
> I don't think I agree with the "DRM for batteries" characterization.
> It's not my data in that battery that they're preventing me from
> getting at.
Correct. In a similar case, Lexmark sued a maker of print cartridges
under the DMCA. Lexmark lost in the Court of Appeals and the Supreme
Court declined to hear the case. See
http://www.eff.org/cases/lexmark-v-static-control-case-archive and
http://www.scc-inc.com/SccVsLexmark/
--Steve Bellovin, http://www.cs.columbia.edu/~smb
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