Got a question? Take a picture, and wait for your Jelly pals to answer it.
Facebook's Mark Zuckerberg, Twitter's Biz Stone, Craigslist's Craig Newmark, and many others have turned their entrepreneurial skills to solving the world's social problems.
Google is setting loose its army of crawlers on Facebook Pages, a public section of the site reserved for organizations, celebrities, and businesses.
Twitter and Facebook were disrupted Thursday morning by attacks, which are proliferating on the Internet.