We in the West often think of Google (GOOGL -0.28%) as ubiquitous. But in China, the response to Google has largely been "No, thanks," as the country already has its own mega search giant. Baidu (BIDU -1.29%) has long dominated the Chinese search market with over 70% of the Chinese market share. In this video, Motley Fool tech analyst Andrew Tonner tells us why, with Internet penetration and Internet advertising both still very low in China, Baidu is a great opportunity with a lot of room to grow.