You didn't think that Google would ignore the world's most populous nation, did you?
The global dot-com giant is introducing DoubleClick Ad Exchange in China, according to the Tech in Asia blog.
Google may have publicly marched out of mainland China two years ago, but it was really only a partial retreat. Google continues to be the second most popular search provider in the country, though it's always been a distant second. Market leader Baidu with its 78% share of the fast-growing Chinese search market is the undisputed champ.