"Second, as Om Malik points out, a large percentage of those one billion mobile phone users are in places like China, India and Brazil where they pay less than $10/month for just basic mobile phone service, meaning they're even less likely to spend so much on additional content."
"Mobile phones, even more than the Internet, are all about interactivity and communications. Trying to turn phones into a broadcast medium is a dead end. Using content to build more interactive communities and services is the path to success, but it's not going to happen if the investors somehow think that everyone is just going to plunk down a ten dollar bill to access some one way content."
From Mobile Content And Zero Billion Dollar Businesses ..