Y100 is worth about $1.60. Dollar coins are very convenient. We should have some.
Most things in Japan are very polite and very efficient, You pay for it all. It's (almost) worth it.
99% of taxis in Tokyo run on CNG. We're at about 20 % of SF taxis. We can do better.
"Green" beer is non-alcoholic. It's getting very popular in Japan.
Tokyo streets are, almost uniformly, clean, well signed, and smooth. Green asphalt for walking, red asphalt for stopping. No potholes anywhere.
