Seems that 2010 is a crossover time for both genetically modified laboratory animals (vs regular) and PC game distribution (downloads equal other sources). Personally, I'm no advocate of animal suffering, but continued increases in the volume of testing is only to be expected as the rate of scientific progress accelerates.
Links:
[1] http://www.bbc.co.uk/news/science-environment-10774409
[2] http://www.rockpapershotgun.com/2010/07/21/whee-downloads-now-48-of-pc-game-sales/