The study itself is an outstanding intellectual contribution, and one that will likely (and deservedly) end up being published in a leading scholarlyjournal.
You can see the full study (at an extravagant price), published in the May issue of the scholarlyjournal Social Psychological and Personality Science, here.
In a 2011 article for the scholarlyjournal Science, researchers Martin Hilbert and Priscila Lopez estimated that the entire processing power of the world's stock of general-purpose computers in 2007 more or less equaled that of one human brain (about 6.4 quintillion instructions per second -- the standard measure of computer speed).