Check out (intended) Chris Sherman’s write up for SearchDay.
Scot Wingo, head of ChannelAdvisor has a lot of great commentary on eBay Strategies. ChannelAdvisor is an e-commerce solution partner of Google Checkout, along with Monster Commerce, Infopia, Shopsite, Mercantec, and Volution.
Also check out Philipp Lenssen’s coverage at Google Blogoscoped.
