Just in time for the holidays... http://googleretail.blogspot.com/

If two percent of your site visitors convert to sales on site, what happens to the other ninety-eight percent of the traffic on your site? Do they buy in-store?

One of the biggest challenges facing retailer marketers today is measuring the impact of online investments on in-store sales. To help address this issue, John McAteer, Director of Retail at Google interviews Avinash Kaushik, Analytics Evangelist at Google and author of the popular blog Occam’s Razor in a five part series for the Google Retail Blog.