It promises to be "a gathering spot for ex-Googlers to reminisce and comment on the latest developments in search." So far, it looks to be Edwards only.
He introduces himself here and potential plans to do a book, but prefers for now to tell his Google story via a blog. Elsewhere in the blog, you can read of him answering Sergey Brin's tough hiring question and his view Google cofounder Larry Page isn't worried about being polite if he knows he's right.
Optimising Digital Marketing Campaigns with Search, Social and Analytics
At SES London (9-11 Feb) you'll get an overview of the latest tools, tips, and tactics in Paid, Owned, Earned, Integrated Media and Business Intelligence to streamline your marketing campaigns in 2015. Register by 31 October to take advantage of Early Bird Rates.