33Across raises $13.1M to power the most complete social graph ever

For a company that’s grown as quickly as the social ad targeting firm 33Across, it’s taken surprisingly little funding. Today 33Across announced that it has raised $13.1 million in a third round of funding led by Pelion Venture Partners — but even with that its total funding is only slightly more than $26 million.

How to attract users to your app and go platinum

If you are a struggling artist or developer working on the next great mobile app, you need a strategy for drawing in users. Keep in mind that buying traffic to convert to users doesn’t always add up. Developing for the mobile platform is vastly different from e-commerce, where the potential average revenue per user (ARPU) is considerably smaller, and in many cases non-existent. At the same time, there’s a limited amount of advertising inventory, and discoverability remains poor…

Why I’m so bullish on Facebook

Facebook faces some real challenges when it comes to keeping up its growth pace, as I covered yesterday. But I’m still bullish on the company, and here’s why.

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Why you’re only 4 degrees of separation from Kevin Bacon — on Facebook

What happens when more than 800 million people across the world join the same social network and start friending each other? People become more connected. “Sure,” you say with a long eye roll, “that’s the de facto mantra of every social network.” But Facebook has actually proved it.

Why publishers should hit pause before they ‘like’ Facebook

Facebook’s recent announcement of its Open Graph (an effort to map the Web’s content in social terms) and the manner in which it impacts privacy have been the subject of pointed debate for the past few weeks. While these developments will certainly raise questions among Facebook users, they’re also cause for concern for the other major stakeholders in this graph of the Web: content publishers.