Silicon Valley - Marc Andreessen and long-time business partner Ben Horowitz have raised $300 million in fresh capital to form a new venture capital company called “Andreessen Horowitz.” The focus of all investments will be “new” business model areas, including consumer internet, cloud computing and consumer electronics. The company will also invest in some B2B-plays, such as virtualization and cloud storage.

Foster City, Calif. - Qik, the provider of a live mobile video streaming platform, announced on Tuesday that it has received a "significant investment" from Netscape veterans Marc Andreessen and Ben Horowitz, who will also join the company's board of advisors.

Los Angeles - Web publishing start-up CrowdFusion has raised $3 million in its first round of venture capital financing, led by Velocity Interactive Group, Greycroft Partners and Marc Andreessen, PaidContent reported.

Palo Alto, Calif. - Online social network Facebook has announced that Marc Andreessen, Netscape co-founder and current chairman of white-label social networking platform Ning, has joined its board of directors. "Marc is an industry leader, and we're fortunate to have him join our board," said Facebook founder and CEO Mark Zuckerberg. "He has experience that is relevant to Facebook in so many ways: scaling companies that are experiencing extraordinary growth, creating successful technology platforms, and building strong engineering organizations. I know Marc will be a great mentor to me and our leadership team."

Palo Alto, Calif. - Ning, a free service that lets users create their own online social networks, has raised a $60 million fourth round of venture capital financing from unnamed investors, PaidContent.org reported.

Palo Alto, Calif. - Ning, a free platform that lets anyone create their own online social network, has raised $44 million in its first round of outside funding, led by Legg Mason, the company said on its blog.

Palo Alto, Calif. - Ning on Tuesday announced the launch of a new version of its free platform that allows anyone to create their own online social network.