that's why at comcast we're continuing to make4/7. our services more reliable than ever. like technology that can update itself. an advanced fiber-network infrustructure. new, more reliable equipment for your home. and a new culture built around customer service. it all adds up to our most reliable network ever. one that keeps you connected to what matters most. welcome back to "dateline extra." jennifer schipsi and paul zumot seemed like a gorgeous couple. he a handsome entrepreneur. they were both passionate about