Google

Google Authentication with Postman | by Gordon Thompson | Kin + Carta Created | Medium
How to Reduce the File Size of Google Fonts for your Website

Useful if you only need a subset of font characters.
Google AdWords Certification Program Help
Google Analytics
Google AdWords Certification Program Help
Google Plus
Author information in search results – Webmaster Tools Help
AuthorSure WordPress Plugin – Show Your Face – Build Your Brand

I want to use the Google authorship markup. I might use the plugin, or if I’m building a theme, I’d like to build it in.
GettingStarted – got-your-back – Downloading, Installing and Using GYB – Got Your Back: Gmail Backup – Google Project Hosting
Sending mail from a different address – Gmail Help