GigaOM : » Skype, All Talk, Just Not Facts

"The only information we have – Skype business brought in $44 million this quarter, up 25% from last quarter when that line of business brought in $35.2 million. Just to play around for a minute, in the first quarter 2006, Skype business brought in about 37 cents per registered user. In the second quarter that number is up to 39 cents per registered user. Hey growth is still growth, even if its two pennies.
Thanks to free calling, Whitman pointed out that by June there were 10 million users in North America."