Getting advertisers to quit tracking you may be harder than you think.
WikiLeaks wants to undermine states and corporations by interfering with their ability to "think." It may not survive, but its innovations will be imitated.
Foursquare and other location-based social games on mobile phones can be compelling, but only when they harness the energy of countless offline games we're already playing.
Online crowd-funding, supported by social technologies, provides a new business model for book publishing.
The online world of Second Life seemed like the next big thing, only to be largely written off. Neither hypers nor detractors understood it.
Robots that stand in for remote workers could force people to learn how to tolerate a new breed of social failings.
The iPad rivals that are about to flood the market probably have to approach perfection if they are to stand a chance.
Lessons from the battle over Cape Wind.
Facebook has corralled 500 million people into an exclusive club that's out of Google's reach. There's no way Google will stand for that.
A year and a half after the federal stimulus bill budgeted $80 billion for new energy technologies, the investment is providing much-needed momentum for clean tech. But what will happen when the money runs out?