There’s Viral, and There’s Viral

There is viral, and then there is viral. The pace at which consumer Internet services like Skype, Hotmail, and ICQ hit a million users is breathtaking.


  1. Of course, when the service is basically free to use, it is not hard to spread virally. That is not to say it is easy, but it is easier than having to actually make a purchase decision a la Starbucks, Whole Foods, etc.