Google has been making the push for sites to move to HTTPS, and many folks have already started to include this in their SEO strategy.
AMP, short for Accelerated Mobile Pages, is new new open source initiative to accelerate HTML pages served to mobile devices.
Why does Googlebot crawl for /mobile/* and /m/* pages that are not referenced anywhere on your website?
Google has deprecated the desktop Web. It's still here, but for Google it just got less important.
Google has announced that going HTTPS - adding a SSL 2048-bit key certificate on your site - will give you a minor ranking boost.
Mark Birbeck devised RDFa, a new standard from the W3C that allows metadata to be embedded in HTML and XHTML documents, rather than being stored separately.