<div class="gmail_quote">On Fri, Apr 4, 2008 at 10:18 PM, John Watlington <<a href="mailto:wad@laptop.org">wad@laptop.org</a>> wrote:</div>
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<div class="gmail_quote">...I still prefer the idea of using audio...</div></blockquote>
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<div>The effective acoustic range is probably similar to the line of sight for XO users. Far more interesting, in my opinion, would be locating other users in radio or network ranges that are not apparent from looking around the room.</div>
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<div>I wouldn't want to continually burden communications or continually expend too much of my energy store to achieve this feature.</div>
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