The most interesting story about investing and social media isn't that you can buy shares of Facebook -- it's the way so many advisers and investors are using social networking sites to connect with each other, and with market information.
General Motors has pulled $10 million in ads from Facebook because they just didn't work, according to The Wall Street Journal. GM is the first major advertiser to indicate disappointment with Facebook and reduce its ad spending on the site.
Running a restaurant has never been easy, but it's getting harder to succeed these days for eateries that shun the social couponing and new media games. A decade ago, all you needed was a strong concept, a healthy strategy and a few ads in the local paper, but the Internet has changed everything.