The folks who are responsible for Webmaster Central, the old Google Sitemaps, announced at the Google Blog that they have a blog specifically for Webmasters at http://googlewebmastercentral.blogspot.com/.
This blog will be more focused on the technical side of things, from what it appears. Currently, the blog has topics on feature enhancements to Webmaster Central, googlebot tips, system maintenance updates and more.
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.