Olympus OM-D E-M5 Best Camera of 2012!

According to the extremely popular Digital Photography Review, Olympus OM-D E-M5 has been voted as Best Camera of 2012 by reader's poll!

The second and third place went to the Nikon D800 and Canon 5D-Mk 3.

How did the "half frame" mirrorless wonder beat the other two FULL FRAME heavy weight DSLR?