Stories by Sharon Gaudin

There's a good chance that if you didn't access Facebook or Twitter last year, you do today.

SAN FRANCISCO -- Microsoft CEO Steve Ballmer Tuesday touted the success of the Bing search engine in the back yard of rival and search king Google.

SAN FRANCISCO -- Spurred by the growth of mobile devices and social media, we're on the cusp of a convergence between online and offline commerce.

SAN FRANCISCO -- As Hewlett-Packard waffles on whether it will continue to produce computers, the CEO of rival Dell Inc. said HP's customers are losing confidence and looking to other vendors.

SAN FRANCISCO -- With Twitter handling a quarter of a billion tweets a day, company CEO Dick Costolo said he's focusing on keeping things simple.

SAN FRANCISCO -- Twitter and Google can't reach an agreement on Realtime Search, but Twitter's CEO isn't giving up.

Google is reported to be in the process of building an online music store to rival Apple and Amazon's popular services.

Forget about building a popular social network. Google CEO Larry Page wants to use Google+ to transform the entire Google experience.

A Google engineer has caused an online stir by posting a long rant on Google+ that slams Google and calls the company's new social network a "pathetic afterthought."

After slipping to a two-year low in August, Google inched back up in the US search market.

It's a good year to be a social networking site.

Corporate executives see the need to use social media to connect with their customers, but many acknowledge that they're still figuring out how best to do it.

After months of anticipation, Facebook finally released its first app for the iPad.

Facebook has acquired friend.ly, a start-up that created a Facebook app designed to help users pose questions to online friends.

Traffic hit near-record levels on Twitter on Wednesday after news spread of Apple co-founder Steve Jobs' death.