Recently Microsoft published an article about "Giving CISOs assurance in the cloud" with nice visualized "internet user maps". By 2015, the internet user map looks as here:
Source: Microsoft Secure Blog
That's an interesting map showing the most heavy internet users in the dark green boxes. Summarized, these are North America, Northern Europe, South Korea and Japan. The dark green regions will include the south in the next years...
So, if you are internet addicted (as we are...), you can choose your travel destinations by that map.