It seems like an advertiser's dream come true. Imagine you are a mobile phone marketer, advertising on, for example, Amazon.com. According to Gopa Menon, head of digital, South Asia at media buying agency Mindshare, every rupee you spend could yield an eight-fold return on the advertising money spent. This return is due to a higher likelihood of conversion to buyers, as they are exactly at the point of purchase. "On average, getting a four times return on ad spend is considered decent," says Menon.
Not surprisingly, advertising spends on Amazon are surging. "A client that used to spend Rs 2-3