EmTech Video Q&A: David Karp
At EmTech 2010 The founder of Tumblr discusses short-form blogging and how his site competes with Facebook and Twitter.
Multimedia
The Global Broadband Spectrum
Wealthy countries race to bring faster connections to more people, while the rest of the world struggles to get up to speed.
Inventing across Borders
Mapping international collaboration in R&D.
Twitter and the Real-Time Web
Twitter cofounders Evan Williams and Biz Stone discuss recent search deals, and Google’s Amit Singhal and Dylan Casey explain real-time search.
A Timeline of Buzz
How Google's social networking product, Buzz, has changed in the time since its launch.
Explaining Real-Time Search
Google Fellow Amit Singhal explains how tweets and other real-time Web information is captured by Google search.
Perspectives on Cloud Security
Researchers describe the potential benefits, and security challenges, of cloud computing.
The Cryptographic Solution
Microsoft Researcher Kristin Lauter discusses cryptographic-based cloud access and search.
The Democrats' New Weapon
Watch Mark Sullivan, cofounder of Voter Activation Network, demonstrate a new voter database mapping interface called turf-cutter, which helps campaigns quickly divide territory before sending canvassers to knock on doors.
The Extensible Obama
Watch Tom Daschle, the incoming secretary of health and human services, and Lauren Aronson, a member of Obama’s health-policy team, respond to online comments in this video made by the Obama transition team.
