A couple looks here at how the net is shaping up from a global standpoint. The first one put together by Webpage FX takes a look at the Internet as a whole and does a few creative ways to look at Internet usage.
The second one by Go-Globe takes a look at Mobile usage. I think its important especially for domain investors and web developers to know how their traffic connects to the net. You may want to tweak your website for more mobile users, you may not want to park a domain that gets traffic from a country where most are using a mobile phone and use another way to monetize the domain.