Here's my bunch of web 2.0 addresses:
Twitter: @stefaanvw (apart from LAK11, mainly tweets on education, Cambodia and - sometimes - astronomy)
Blog: stefedu.blogspot.com. Just freshly launched. And elsenstefaan.blogspot.com , with stories from life in "the Penh"
Delicious: http://www.delicious.com/vandewst
Slideshare: http://www.slideshare.net/StefaanVandeWalle/newsfeed