Google SVG Logo animations using GreenSock.
https://ihatetomatoes.net/google-svg-logo-animation-with-greensock/
A detailed explanation of the process and code snippets is now published on CSS Tricks.
Recreating the Google Logo Animation with SVG and GreenSock https://css-tricks.com/recreating-the-google-logo-animation-with-svg-and-greensock/