Press Record.

Can this be right? Lets say worlds population = 6.6 Billion

According to the International Telecommunication Union (ITU), there are 190 million main telephone lines in the United States as of 2002.

The average telephone line is used primarily for local calling and is used over an hour per day for all types of calls (faxes, modems, etc.)

There are 1.1 billion main telephone lines in the world as of 2002, according to the ITU

Interesting, now chech this out...
http://nyanyan.to/skype/7d_chart.php (no idea how accurate)

Last 7 day Active Skype user count: almost 9 MILLION
Downloads of Skype in the last 7 days: 503 MILLION