We have absolutely no idea what this means for iSpot owners' service plans if they go through with this -- for all we know, they'll detect un-iPad-like amounts of usage and threaten to up your monthly fee -- but if you're the risky type and you've got an iSpot lying around, its pesky MAC filtering can be a thing of the past with just a tiny bit of effort. There's a blog out there that now has concise instructions posted for gaining root access on the hotspot and tweaking config files to obliterate the MAC filter and enable USB tethering (by default it'll only do WiFi), but if that's too much effort for you, an
