Technology

Although Facebook has a powerful presence on personal computers, the cellphone has been its Achilles' heel. With its users flocking to mobile phones by the millions – and many of its newest users never accessing the services on computers at all – the company has struggled to catch up to them.

Imagine making a video call with a 911 dispatcher.

Hacker Lab, the Sacramento nonprofit that aims to nurture and develop technology startups, will host Sacramento Startup Weekend, running Friday through Sunday.

Facing a wave of employee theft, retailers across the country have helped amass vast databases of workers accused of stealing and are using that information to keep employees from working again in the industry.

American Express customers trying to gain access to their online accounts Thursday were met with blank screens or an ominous ancient typeface. The company confirmed that its website had come under attack.

A squabble between a group fighting spam and a Dutch company that hosts websites said to be sending spam has escalated into one of the largest computer attacks on the Internet, causing widespread congestion and jamming crucial infrastructure.

The Sacramento Regional Technology Alliance's MedStart is seeking nominations through April 12 for the annual Claire Pomeroy Awards for Innovation in Medical Technology.

T-Mobile USA, the struggling wireless carrier, has a ray of hope: It's finally getting the iPhone, it's selling the device at an aggressive price, and customers won't have to sign a contract.

After Friendster came MySpace. By the time Facebook dominated social media, parents had joined the party, too. The online scene has since morphed again, and these days, even if you're friends with your own kids on Facebook, it doesn't mean you know what they're doing.

Educators and policymakers continue to debate whether computers are a good teaching tool. But a growing number of schools are asking students to bring their own smartphones, tablets, laptops and even their video game players to class.

Microsoft on Thursday disclosed for the first time the number of requests it had received from government law enforcement agencies for data on its hundreds of millions of customers around the world, joining the ranks of Google, Twitter and other Web businesses that publish so-called transparency reports.

Comcast said it is increasing the speeds of two of its most popular Xfinity Internet plans, Blast and Extreme 50, in most of California, at no additional cost to consumers.

A former Web producer for KTXL Fox 40, a Tribune Co.-owned television station in Sacramento, was indicted Thursday in Sacramento for allegedly conspiring with members of the hacker group Anonymous to hack into and alter a Tribune Co. website.

Google announced a change in its executive ranks Wednesday that could have broad implications for the mobile business.

When it came to unveiling a new push to create a series of online courses for California college and university students, Senate President Pro Tem Darrell Steinberg thought it was fitting to deliver the news in a decidedly digital fashion.