Lately, the notion of getting Apple's ever-growing line of mobile devices connected to 3G and 4G networks is attracting a lot of attention from carriers that aren't AT&T -- take Sprint's Overdrive case for the iPad, for instance -- but not in a million years did we think Clear would go so far as to create a mobile hotspot designed exclusively for them. In some ways, that's taking respect for the Apple ecosystem to a whole new level. Of course, even the most die-hard Apple fanatics probably own a WiFi-capable device or three that doesn't hail from Cupertino, so the usefulness of Clear's iSpot is defini
