Tony Werner, executive vice president & chief technology officer of Comcast Cable in the US, talks about how Comcast is using innovation to keep the cable company at the forefront of the broadband market.

ISPs don’t come much bigger than Comcast. As the largest cable provider in the US, the company is also one of the largest broadband service providers in the world. As such, the decisions it makes in terms of technology and strategy will inevitably have an impact in other parts of the world.