Yahoo Japan announced today that Overture Japan will operate under Yahoo Japan brand starting October 1, 2009. Overture is currently a subsidiary of Yahoo Japan, providing the PPC services for PC and mobile for Japanese search market.
Mobile advertising grew to 81.5 billion yen market in 2007, and expected to hit 100 billion yen in 2008 in Japan. This will definitely push mobile paid market to grow rapidly in Japan within a few years.
Using the search box in advertising has become very popular in Japan. You see the search box in TV commercials, magazine ads, online ads, etc. etc. It's every where, but do they really rank for the search term?