From Barnes & NobleThanks to the internet, we now all know that not just viruses go viral. Whether the recipient of all the attention is Fifty Shades of Gray, the new One Direction video, rebranded toothpaste, a trendy upscale restaurant, or even a false rumor, things get noticed more quickly than ever. (In just her first three days, actress Megan Fox attracted more than 250,000 Twitter followers.) Wharton marketing phenom Jonah Berger thinks that this click-quick, fast-spreading fame or infamy is not only understandable; it can be replicated. In Contagious, he describes the six step process that can make ideas or products almost instantly well known. Editor's recommendation.