One of the more interesting areas of crowdsourcing today is in the area of collective knowledge and intelligence – often referred to as Q&A. Quora, one of the more recognizable names, currently focuses on startup and Silicon Valley related matters. Recently, Jig, a site that allows users to post needs and have them answered, raised $3 million in financing. Of course, Yahoo! Answers is the original pioneer of Q&A, delivering answers to everyday topics such as parenting and gardening.