The last two decades have completely transformed the way we know. Thanks to the rise of the Internet, information is far more accessible than ever before. It’s more connected to other pieces of information and more open to debate. Organizations — and even governmental projects like Data.gov — are putting more previously inaccessible data on the Web than people in the pre-Internet age could possibly have imagined. But this change raises another, more ominous question: Is this deluge overwhelming our brains?