Brian Ascher of Venrock gives advice on what it takes to be a succesful ad network Brian Ascher, venture capitalist at Venrock was on the board of ad network Adify, which was acquired by Cox Enterprises for $300 million last year.  In this interview with Bambi Francisco he talks about what made Adify so unique, and what is needed today to become a successful ad network.      BF: What are you looking for from an ad network?BA: So ad networks have a really important place in the Internet ecosystem because you have millions and millions of sites and more of the traffic is outside of the top 10.  Yet, the revenue is concentrated in the top 10 because it’s inefficient for advertisers and their agencies to buy along that long tail of sites.  Ad networks come in ... [ Read more ]