The decade-and-a-bit since the 2008 crash has been a distinct period of capitalism in economic and in political terms. It has also been a distinct period in the technology of political communications.
Twitter "took off" around 2007, Facebook "took off" around 2009, mass use of smartphones "took off" about the same time. For a few years now, more web browsing has been done via smartphones than via computers. Tablets and e-readers, once said to be the wave of the future, have lagged.