It has been a momentous year for social video advertising. The last 12 months have seen the hottest trend in digital advertising reach heights usually reserved for Austrian space-jumpers.
The type of videos people share is a powerful indicator of global sentiment, and in 2012 emotions certainly ran high, as viewers swept aside their cynicism to be moved to tears by P&G, inspired by human endeavour and outraged by atrocities in Africa.
But how has social video advertising changed in 2012? Well, using data collected by the Unruly Viral Video Chart , here are some of the significant trends: