6.8 billion (2009 population) divided by 100 = 68m multiplied by 17.8 = 1,210,400,000 pots lines worldwide in 2009.
http://chartsbin.com/view/1221
2009 there were 560million Skype accounts
http://en.wikipedia.org/wiki/Skype
4.6B mobile phone, early 2010
http://www.billshrink.com/blog/7807/mobile-phones-worldwide-by-the-numbers/
No comments:
Post a Comment
Note: Only a member of this blog may post a comment.