On Wed, 2012-08-22 at 00:53 +1000, Toby Wintermute wrote: > On 21 August 2012 01:17, James Laver <london...@jameslaver.com> wrote: > > They're claiming truly unlimited actually. For an extra fiver they even > > officially permit tethering. > > Are they likely to even notice if I'm tethering it, sans that fiver? > (I've always wondered how on earth they could tell)
User-agent sniffing of HTTP traffic is the usual method, I believe.
