Building a deeper understanding of images | Research Blog - http://googleresearch.blogspot.com/2014...
"These technological advances will enable even better image understanding on our side and the progress is directly transferable to Google products such as photo search, image search, YouTube, self-driving cars, and any place where it is useful to understand what is in an image as well as where things are." - Amit Patel
TL;DR: Google's brain has learned how to identify the objects it sees - Amit Patel