While many eyes in the broadband and TV worlds were tuned last week to the Mobile World Congress in Barcelona, they might have done better to hop across the pond and drop in on the IBM Interconnect Conference running at the same time in Las Vegas. That was also largely about mobility as the name half indicates, but gave a remarkably comprehensive insight into the state of the science of big data analytics and where it is going over the next few years. As far as TV was concerned there was both a reality check and a view over the horizon of how much better things could become in a few years if operators get their act together and start…