Yahoo Japan's search results is now identical to Google's in many cases if you use Chrome browser. In other words, depending on which browser you use, you get different search results in Yahoo Japan right now.
The use of XML sitemap is always discussed at the search marketing conference. Should you use XML file or not? It may not help you with what you want it to do, but still could help you in other ways.
I had a short interview yesterday, and the question was "What do you want Google to bring for Christmas?" My answer was "easier algorithms". OK, maybe "easy" wasn't the right word, I should've said something like "standardized" or even "fare" and this is my thought behind this answer.
Rich Snippets was just rolled-out in Japan, which is the second market to use this feature. August and December are 2 of the biggest gift giving months in Japan, and this new feature came out just in time to help those holiday shoppers.
Ad more companies developing global websites, they are facing new and often times unexpected challenges in launching and managing the websites. There are some key points in launching a global website that makes you better ready for it. Also, read my interview about the topic and come to my session at SES NY on March 24.
My interview with Google Blogoscoped about Search Engine Optimization in Japan. I had fun doing it, and glad to hear some great feedbacks. I hope it would encourage people to consider Japan as their main target market.