A look back at 2011. We go deep on the Arab Spring, the official end of the Iraq War, and the struggling economy.

A look at three seasonal themes: greed, with one of the Patriotic Millionaires for Fiscal Strength; giving, with Yancey Strickler of Kickstarter and others; finally, gadgets, with Peter Rojas, Co-Founder, gdgt.com.

A look at three seasonal themes: greed, with one of the Patriotic Millionaires for Fiscal Strength; giving, with Yancey Strickler of Kickstarter and others; finally, gadgets, with Peter Rojas, Co-Founder, gdgt.com.

London’s booming tech scene and Chattanooga’s surprising one. Do start-ups create jobs or destroy them? And a new technology that will transform surveillance video into a tool for business owners and customers alike.

London’s booming tech scene and Chattanooga’s surprising one. Do start-ups create jobs or destroy them? And a new technology that will transform surveillance video into a tool for business owners and customers alike.

Hackers and Occupy Wall Street. The Groupon IPO: another tech bubble? Legislation that wages war on the web. Website accessibility for people with disabilities. And “This Space Available,” a documentary on the grassroots protest against billboards.

Hackers and Occupy Wall Street. The Groupon IPO: another tech bubble? Legislation that wages war on the web. Website accessibility for people with disabilities. And “This Space Available,” a documentary on the grassroots protest against billboards.

Graphic designers on Occupy Wall Street. “Spent,” a game that helps players experience poverty. Start-Up City on DateMySchool.com. IndoorHoops.com finds pick-up basketball games. Curate NYC, an annual art show that promotes the work of emerging artists.

Social media and union organizing; a show at the Public looks at the dark side of Apple; Start-Up City; a Brooklyn tech firm starts a training program; and how outdated SEC rules are preventing start-ups from finding funding online

How political campaigns are using social media data. A law that lets the government access your email without your knowledge. Third-world think tanks solve first-world problems. And turning Apple laptops into art.