privacy and refuting the "I've got nothing to hide" response to increasing surveillance

http://yro.slashdot.org/yro/07/07/10/2054219.shtml
The original reference to the paper below. Also includes a link to

http://www.wired.com/politics/security/commentary/securitymatters/2006/05/70886
which is Bruce Schneier's take on the issue; this is less detailed (but also much shorter! :) ) than the actual paper, at

http://papers.ssrn.com/sol3/papers.cfm?abstract_id=998565
Despite this paper's self-description as a "short essay", it's about 25 pages long, and I admit I haven't read the whole thing yet. But it looks like an interesting drill-down into what privacy is, what it's for, and why it's important.