Our annual survey of ideas and trends that will make an impact on business: Stan Stalnaker heralds a peer-to-peer economy in which consumers become consumer-producers. Tamara J. Erickson dissects the expectations of Gen Y workers. Dr. Jerome Groopman writes a prescription for avoiding misdiagnoses in decision making. Michael Sheehan warns not to resort to the tools of competition when it's really opposition that threatens your company. John J. Medina conceives of a brain-friendly workplace that applies modern science to daily performance. Dan Ariely studies the minds of "honest" people when they cheat. Paul Root Wolpe and Daniel D. Langleben share truths about technologically sophisticated lie detection. Scott Berinato shines a light on the cybercrime service economy. Mark Kuznicki, Eli Singer, and Jay Goldman showcase Toronto, where a technology-driven event led to real social change. John Seely Brown and Douglas Thomas argue that online games are preparing the twenty-first-century workforce. Jane McGonigal calls alternate reality games the promising new operating systems for real-world business. Miklos Sarvary mines the history of broadcasting for wisdom about competing in the metaverses of the internet. Judith Donath asks how true to yourself you'll be in the virtual world. Jan Chipchase surveys the soon-to-be-charted territory of metadata trails. Lew McCreary points a finger at people who blame technology for their bad behavior. Jaime Lerner sees the city of the future in a turtle's shell. David Vogel catalogs the advantages of socially responsible lobbying. George Pohle lets the numbers prove the mass-market promise of China's second-tier cities. Aamir A. Rehman and S. Nazim Ali discuss the boom in sharia-compliant finance. Michael J. Mauboussin identifies the shrinking domain in which experts are the best problem solvers. Garrett Gruener reveals his list of sustainable and unsustainable trends.

The Q&A should be more than just an afterthought, says communications consultant Michael Sheehan. It may be the only part of your speech people actually listen to.