ZDNET Video

Apple's Scott Forstall shows off Siri, the company's new voice recognition-enabled personal assistant for the iPhone 4S. The new software will allow you to ask for help and will respond back to you in human-like language.

Apple's SVP of marketing Philip Schiller announces the latest version of the company's popular iPhone, the iPhone 4S. The new smartphone touts a faster A5 chip, dual-core graphics, a longer battery life, a better camera, and dual-mode CDMA and

At Apple's headquarters, Apple's senior vice president of marketing, Philip Schiller, unveils new iPod Nano features, including a new multitouch icon screen, new sensors for runners, and the ability to wear the device as a watch. The Nano comes

Venture capitalist Marc Andreessen says he believes we’re at a crossroads in IT, and that much of it is thanks to what is happening in the consumer world of tech. He spoke at the BoxWorks 2011 conference in San Francisco.

At the Mobilize conference in San Francisco, Pandora CTO Tom Conrad discusses his views on the competitive landscape in music and the differences between Pandora and Spotify.

At the F8 developer conference in San Francisco, Facebook CEO Mark Zuckerberg introduces a revamped profile page called Timeline, which gives users more control and a chance to look back on everything they've ever published on the social network.

At the Intel Developer Forum in San Francisco, Andrzej Nowak, staff researcher at CERN, the European Organization for Nuclear Research, explains how the organization is working to understand the universe and is processing the data it collects.

At the Intel Developer Forum in San Francisco, Brett Carpenter, from Microsoft’s Windows ecosystem group, shows off Windows 8. Its Metro-style UI has live tiles that can be programmed using existing tools and languages. It also supports full-screen apps.

At the Intel Developer Forum in San Francisco, Mooly Eden, who heads up Intel's PC Client Group, shows off power-saving, self-refreshing display panels that he says will be the new standard in less than two years.

At the Microsoft Build conference in Anaheim, Calif., Steven Sinofsky, the president of the Windows Division, takes the wraps off of Windows 8, unveiling the company's new operating system in front of an audience of software developers.

At the Intel Developer Forum, Google announced it is teaming up with the chipmaker to optimize Android for Intel-powered mobile devices. Google Senior Vice President Andy Rubin made an appearance during the keynote address with Intel CEO Paul Otellini to

At the Dreamforce conference in San Francisco, Salesforce CEO Marc Benioff interviews Google Chairman Eric Schmidt about the state of the technology industry. Highlights include remarks about Apple's Steve Jobs, Motorola, the current patent system,

At the company's Dreamforce conference in San Francisco, Salesforce.com executives demo how Disney and Toyota are using the company's social-networking tools to create better user engagement with customers.

At the Dreamforce conference in San Francisco, Salesforce.com CEO Marc Benioff says that enterprise technology is going to face an uprising akin to the Arab Spring in the Middle East. The theme is that customers are going to revolt against traditional en

Watch key moments from Steve Jobs' speeches since he returned to Apple in 1997.