Twitter http://twitter.com/LeoC where you Visit:

Twitter is well established, I do not know the exact stats for its use but I do know that if type in Enschede in Holland a large selection of twitter subscribers appear. For me having lived in quite a few places in the world it nice to be able to hear what is going on in a place that I have lived. More interestingly I have also added people that live in countries where I would like to visit. Japan being top of my list. Funnily enough most the Japanese subscribers tend to want to keep there twitter quiet (no follow) but it is an involving process so we will see what will happen.