Stories about: Greylock Partners

Yahoo continues to lose high-ranking officials, as more business and technology leaders give up and bail out of the company as its years-long corporate turmoil shows no sign of ending.

LinkedIn, the social-networking site for career advancement and professional interactions, closed a funding round that values it at US$1 billion, something the company considers a validation to its particular approach to this market.

The high-profile departures at Yahoo continue with the news that Flickr founders Caterina Fake and Stewart Butterfield are leaving.

In 2007,we designated more than 90 start-ups as worth watching. After a second look, we picked these 10 as offering what matters most in the enterprise -- agility, seamless integration and pervasive connectivity.

While social networking sites may primarily be the domain of students and recreational use, enterprises can be expected to climb aboard as well, dignitaries said at the Nokia Mobile Mashup 2007 event in California on Thursday.

New companies have to be brash to enter the network security market, given that the industry has witnessed an explosion in creativity over the past five years and considering that big players such as Microsoft and IBM increasingly are throwing their weight around in security.

Start-up Xsigo Systems Monday launched an I/O virtualization appliance that reduces server connectivity bottlenecks by replacing cabling and network and storage interfaces with virtual resources.

Workday, the startup headed by Dave Duffield, the co-founder of PeopleSoft, put more meat on the bones of its ERP (enterprise resource planning) software Monday with the beta release of its financials on-demand service.

From business intelligence to CRM, from scheduling and e-procurement to database management and data governance, there is no shortage of enterprise applications available to help businesses make their processes more efficient. Choosing can be difficult, however: Do you go open source? Software-as-a-service, or in-house deployment? Every vendor has a sales pitch. Here are 10 worth watching.

Data Domain Monday announced that it has filed to go public.

Headhunter Matt Ocken was looking for references recently for a vice president of engineering he was considering recruiting for a client. He knew of a CIO at one of the companies on the candidate's resume, but he couldn't get the man to return his calls. Then he tried Visible Path, social networking software his firm had implemented four months before. In no time, he had the needed reference.