His parting comments on a portable mesh network are not fiction.  Here is some interesting software that already exists: <a href="http:&#x2F;&#x2F;www.netlore.co.uk&#x2F;airmesh&#x2F;?page=about" rel="nofollow">http:&#x2F;&#x2F;www.netlore.co.uk&#x2F;airmesh&#x2F;?page=about</a>