Trendwatchers take note: Brazil offers a fascinating glimpse at how rapidly social media has changed internet usage patterns. Brazilian consumers spend an average of 19.3 hours online for personal use versus 9.8 hours watching TV, according to a study released …

Wily entrepreneurs know that a crisis is just an opportunity in disguise. While the downturn has forced many local businesses to move their advertising dollars online, no one has come up with an efficient way to display ads from small …

Action is the substance of excellence. Far too often our ideas distract us from what we need to do because we focus on what we could do.

The tech industry is fueled by novel ideas. But its preoccupation with measurable …

[Editor's note: As newspapers watch their business models crumble, journalism schools are moving fast to restructure their curricula to emphasize technology and new media. Below, Columbia journalism graduate student Chikodi Chima reviews a new seminar with an entrepreneurial bent.]

Cub …