This document outlines a 5-day challenge for creating an online business foundation. Day 4 focuses on Google tools. It explains that Google controls much of the online experience through tools like Search, YouTube, Analytics and Maps. It recommends setting up accounts in Google+, Webmaster Tools, Analytics and Maps. The document provides brief descriptions of each tool and their benefits. It concludes by congratulating the reader for completing the first 4 days of the challenge and offers additional coaching.