Next to Alibaba, the biggest B2B platform in China, next to Taobao, the biggest online auction platform and next to Alipay, the biggest online payment provider in China, they have now started Alimama which is a nice addition to the Alibaba family.From the CWRblogAs a typical ad exchange, in Alimama, publishers can specify the format of ads on their websites, the types of ads they would like to ser