[cryptoz]

Interestingly, that all depends on how you define "internet access". They say a user is someone who has knowledge of the web and the ability to access the internet. (from http://www.internetworldstats.com/surfing.htm)

However, according to Wikipedia, most people have a cell phone (67% of the world population). I would consider access to the cellular network equal to access to the Internet, since many services (such as Google's) are available to cell users. http://en.wikipedia.org/wiki/List_of_countries_by_number_of_...

Edit: And for what it's worth, I think you can operate your Facebook account fully through just a phone and text messages (but I could be wrong). No need for a full-blown computer and high speed internet.

[notahacker]

Unless they're planning on launching an SMS-only service then Facebook might find it tougher reaching the developing world on their phones than the cyber cafes. People without internet access don't have iPhones or 3G networks. Though I just walked past a news broadcast with Facebook's Director of Policy observing that mobile was the key to penetrating areas like Africa...