Lately I've been reading a lot on Drecom's ad4u targeted ad technology
in Japan. Ad4u has been somewhat on the Japanese web radar for its controversy over invading user privacy.
However as I mentioned above, there has been some expressed concern over privacy with ad4u. Would you want Drecom to know that you visited an X-rated site? I wouldn't ^_^. I asked my wife and she said she didn't want people knowing that she visited mixi or even yahoo news.
So is it okay to check someone's browsing history? What are the rights?
It will be interesting in seeing how ad4u will do in the market. I'm sure that the vast majority will not even know that their browsing history is being used to serve more relevant ads.