Looks really nice 🙂
You can find Google help here.
In this video Google will introduce some of the new features in Google Tag Assistant, including Google Tag Assistant Recordings.
Learn how to enable/disable the extension from validating your tabs, mark favorite domains to always be validated, and record a user flow through your website to make sure your Google Analytics is implemented correctly.
If you find that your account isn’t set up properly, you can make adjustments and test it all over again instantly within Google Tag Assistant.
Yesterday I tried to remember the names of mathematical operations, and couple minutes later, I found info that there is possibility to use math in custom columns in Google AdWords. It can be quite useful solution for fast reporting.
What do you think about it? Have you already created your custom math columns?
— Mikołaj Paczkowski (@mikowhy) January 27, 2016
More can be found in Google help