I pretty much agree with @Greer'sElbow on this. Regarding the effect on political careers, I would use the example of Grant Shapps/Michael Green to suggest that a lot of politicians simply couldn't give a toss how much contempt they soak up on social media. A lot of them seem to think - with...
It depends. Do you mean that social media were available in the conditions pertaining at the time? Or do you mean if the campaign had to be run in 2015?
I would say that a lot of the effectiveness of the campaign had to do with physical presence and, frankly, an underlying threat. Chasing...