This is a poster telling people not to hoard things.
Here is one too:
Evidently, according to Watashi to Tokyo, the Twitter #tag “edano_nero” is hot in Japan now. Edano is Cabinet Secretary, Since the earthquake, he appeared on TV everyday and told us what is going on in the calm tone voice and he tired not to avoid question from the press. Now people tweet to encounrage him with the tag“#edano_nero”to the end of their tweets. It maens“Edano— go to sleep” in Japanese. Because we know he has not slept enough after that. And some Twitter users do not feel the affection for Prime Minister Kan. They have added the hashtag “kan_okiro” — “Kan – Wake Up” — to the end of their messages.
And finally a poster telling people that they are helping Tohoku people if they buy only what they need:
And it would appear the search for blame has begun:
TEPCO executives quietly under investigation for charges of professional negligence resulting in death or injury.