So this is what all those "yo' network's so slow" jokes were about. The Wall Street Journal has today penned a story framing AT&T's hefty recent investments in building out its network as a defensive move against a "huge exodus to Verizon" when its rival gets the iPhone. These preventative measures include working with Apple on streamlining the iPhone's network load, and infrastructure spending that is expected to total $2 billion by the end
