I just found a nice article about Internet and Wifi usage in Santiago.
Between 6th and 11th October, we went war-driving in Santiago, the capital of Chile, with the aim of collecting data on the city’s wifi networks. Why did we choose Chile? Simple – as the diagram below shows, it’s got the highest Internet connectivity out of all the Latin American countries… “..” almost every other Chilean has an Internet connection..”..” (Data is taken from internetworldstats.com , 30th June 2008.
The beginning of the article is interesting for everyone and the rest of the article only for readers who know anything about wpa, wep and MAC address filtration. My advice: If all these mentioned words are not known to you get a friend to check your Wirless router settings as you might be at risk.