“In our era of electronic communications, we’ve come to expect that important innovations will spread quickly. Plenty do: think of in-vitro fertilization, genomics, and communications technologies themselves. But there’s an equally long list of vital innovations that have failed to catch on. The puzzle is why.” The New Yorker’s Atul Gawande examines why some ideas go viral and some don’t. Luckily for Gawande, this story is already the most popular on his site, proving that nothing is as viral as article on why things go viral (except maybe cat photos).