Google Stack is a Google Marketing Platform, the use of the Google Marketing Platform way the use of a stack that connects your media channels and which facilitates you purchase and optimize media using enterprise-defining tools together with Search Ads 360 and Display & Video 360.
These have both direct and indirect outcomes on the product stack, that's continuously evolving to make it less complicated for clients to spend money on ads and in new approaches, which includes e-mail and video advertising etc. ... Google AdWords lets in marketers to buy marketing from Google and its partners. So, yes it is worth looking.