If there's one company in the world who knows more about gripping phones than anyone else, it's Nokia -- you know, the creator and sole proprietor of sidetalkin'. So on that note, you might want to sit up and pay attention to this little piece over on Nokia Conversations detailing four popular grip styles that won't kill your signal, including the four-edge -- a work of art that we've attempted to demonstrate for you with limited success in the picture above. We totally buy the claim that this particular grip causes zero signal degradation in virtually any cellphone ever launched (the curious stares you get are just a bonus), but Nokia goes on to boast that "rea