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Currently 21% of all cell phone users in the U.S. have smart phones which can surf the web and play music, movies and games. We look at the current state of the art, especially I Phone 4 and the Android operating system, the future of Blackberry, and how sales are affecting Qualcomm, which produces smart phone software.

The new millennium is marked by rapid growth and change in the media landscape during which the station quickly becomes a powerful and trusted news source, especially during times of crisis.

Internet search engine Google is drawing praise from civil libertarians for its refusal to hand over records about the search requests of millions of its users to federal prosecutors. Government lawyers say they need the information to defend a law meant to protect children from online pornography.

The U.S. housing industry has yet to recover from the last recession, but you wouldn't know that by looking at rising home prices in California's still-prosperous Silicon Valley. By being conservative with his ventures, James Witt has made a successful business out of rebuilding Palo Alto homes.

If you're a parent of a certain age, your kids' homework can be confounding. Blame it on changes in the way children are taught math these days — which can make you feel like you're not very good with numbers.

Years after leaving his home in northern India, journalist Siddhartha Deb returned to explore the true impact of globalization on his homeland. In The Beautiful and the Damned, Deb exposes the darker side of Indian prosperity.

More than 3,100 companies flocked to the Consumer Electronics Show to hawk their wares this year, and the show's host estimates that 20,000 products are launched there. Many of the small companies founded for the show won't be back next year, but their hustle is infectious and some become huge.

Microsoft says its net income rose 51 percent in the most recent quarter, boosted by higher sales of Windows and Office software. If it had not deferred some revenues last year, the latest profit number would have been only 16 percent higher.

Some 2400 expecting and new moms in San Diego have signed up for a free service that sends out text messages with health tips and resources.

Airs Tuesday, April 20, 2010 at 8 p.m. on KPBS TV