Using virtual points and badges to shape our behavior may not be as effective as some have hoped.
Web apps can displace all other forms of software if browser and Web technology continue to improve.
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.
Google's growth plans depend in part on whether it can make the entire Web faster.
The CEO of Akamai, which plays a crucial role in delivering Web traffic, tells us not to worry about the Internet's capacity.
Online crowd-funding, supported by social technologies, provides a new business model for book publishing.
The last decade expanded what we could do online, but the Web's basic programming couldn't keep up. That threatened to fracture the world's greatest innovation engine—until a small group of Web rivals joined forces to save it.
Starting an Internet company with the potential to reshape how we use the Web has never been cheaper.
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.
How free streaming video threatens the porn industry.