Introduction: The Future of Web 2.0
The Web is returning to its inherently social roots.
By Jason Pontin
MIT News: Jan/Feb 2012
TR: Jul/Aug 2008 PDF issue
Technology Review: July/August 2008
The Business of Social Networks
Web 2.0--the dream of the user-built, user-centered, user-run Internet--has delivered on just about every promise except profit. Will its most prominent example, social networking, ever make any money?
By Bryant Urstadt
Who Owns Your Friends?
Social-networking sites like Facebook and Plaxo are fighting over control of users' personal information.
By Erica Naone
Facebook's Combinatorial Challenge
How the social network's technology manages a vast, proliferating net of connections.
By Alan Zeichick
Internet Gridlock
Video is clogging the Internet. How we unclog it will have far-reaching implications.
By Larry Hardesty
From the Editor
The Next Bubble
Are Web 2.0 companies the unlucky beneficiaries of a speculative mania?
By Jason Pontin
Contributors
Letters
Notebooks
The Web's Dark Energy
Community policing can help make the Web safe.
By Jonathan Zittrain
Curating Yourself Online
What happens when your data is not your alone?
By Esther Dyson
Wiki 2.0
The online encyclopedia is only a taste of what's to come.
By Jimmy Wales
Forward
Optical Reality
New chips promise cheap Web bandwidth.
Buyer's Guide to Personal Genomics
In new offerings, much fascination, not yet much utility.
New Oceans of Data
A transoceanic building boom is fueling Internet growth.
Solar Costs Heading Down
Silicon shortages drove up prices, but supplies are now increasing.
Startup Profile
Clear Calls
Audience, a California-based startup, has made a noise-canceling chip for cell phones that could also improve voice-recognition systems.
Essay
A Messy Art
Managing the fiddle factor in brain surgery.
By Katrina S. Firlik
Q&A
The Future of The Web
We asked a few technology innovators, luminaries, and users what the Web might be in five to ten years.
By Kristina Grifantini
Photo Essay
Home Tweet Home
The ground zero of social networking gone wild is Twitter. We got a look at their offices days before they prepared for a move to a more grown-up space.
By Kate Greene
Reviews
Your Medical Data Online
Google and Microsoft are offering rival programs that let people manage their own health information. Do potential users understand the risks?
By Amanda Schaffer
Brain Games
Do new controllers that purport to interpret brain activity really work?
By Emily Singer
Founding Father
A new book describes the man who created modern venture capital.
By Mark Williams
Hack
Meraki Outdoor
Mesh networking repeater for harsh conditions.
By Kristina Grifantini
Demo
Sequencing a Single Molecule of DNA
Helicos Biosciences' novel machine could speed up sequencing and unearth new disease-linked genetic variations.
By Emily Singer
38 Years Ago in TR
Community Access
Robert Fano knew that the true power of computing lay in its ability to connect people.
By Matt Mahoney
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