According to published reports, App.net., which provides infrastructure to build social applications, has raised $2.5M of additional capital from Andreessen Horowitz.

App.net provides infrastructure to build social applications. Use your App.net account to access a network of amazing social apps. Talk to friends with group messaging apps, share pictures and documents with file storage apps, and tell stories with microblogging apps-all while controlling your own data. Find apps you love and explore the possibilities: your account is your passport. For software developers, . App.net launched in August of 2012. It's owned and operated by Mixed Media Labs, founded by CEO Dalton Caldwell and CTO Bryan Berg.