Wanna Know How to Get to 2 Million Users on a Facebook App? Just Check Out How Birthday Calendar Did It!

Tonight we have learned that the Birthday Calendar Facebook application has hit two million users. Pretty awesome as they have only been live on the Facebook system for a month. Created by BigDates Solutions, they note, "With access to over 20,000 paper greeting cards, 2,000 ecards, and 20 gift cards, users of Birthday Calendar should have no problem expressing their sentiments on special occasions." So basically you get an attempted upsell when you are notified of a friend’s event.

From the press release and according to Nasser Gaemi, CEO of BigDates Solutions, “Our ability to leverage the Facebook social graph has created the most exciting distribution opportunity in our company’s eight year history. We’ve never seen this kind of viral growth.”

I added the application to my Facebook profile this evening. You click the link for the app, then the standard Facebook checkboxes. Once you click submit, you are presented with an initial screen for Birthday Calendar to spam send the application to your friends.

I clicked the Skip button as I try not to annoy my Facebook friends.

But that’s not enough for Birthday Calendar. You then are presented with this message:

I sure hope that in ‘08 we will see some real metrics for Facebook applications (and other platforms as well). Is this really viral growth as the CEO notes above?