Amazon might be making the bulk of its cash on online sales and tablets, but the company has been quietly building an awfully large advertising business.
According to new data released on Tuesday by research firm eMarketer, Amazon generated $610 million in ad revenue last year, up 45.5 percent compared to 2011. What's more, eMarketer expects Amazon to generate $835 million this year, generating a 37 percent gain over the previous period.
So, how did Amazon do it? The company has been generating revenue from ads in search results on its own pages. The company also generates ad … Read more