Well, Google has done a good job in gathering info, rescue hotlines, news, flight info etc. for ppl in need. Specially for the Japanese and foreigners who r in Japan now:
Google Crisis Response http://www.google.com/crisisresponse/japanquake2011.html
It has links to person seeking svc in Japanese, English, Korean, Chinese (both traditional and simplified)
Here is You Tube's official channel for the related videos http://www.youtube.com/citizentu ... /c/0870831CE43351E1