Given that Comcast has close to 22 million pay-TV subscribers, 2.4 billion hours imply that each Comcast customer is on an average watching over 9 hours of on-demand video every month.
These projections imply that, even for the lowest emission scenarios, the average income of South Africans will have overtaken that of Americans by a very wide margin by the end of the century.
And to the average consumer who has never been to a factory, the thought of one may imply dim lighting, dirt, grease and the smell of metal and plastic.
That would imply that Facebook will grow roughly tenfold over the coming decade an average annual growth rate of about 26%, which is seldom sustained by big companies.