The document discusses strategies for multi-lingual, multi-site SEO. It presents 3 scenarios for hosting international content from best to worst: separate country-specific websites, subdomains, or subfolders. It also compares search results on Google.ca English, Google.com International in Canada/UK, and Google.com US. Additionally, it shares an example of high Adsense revenue earned from French and Spanish language content on separate subdomains compared to English on the main domain.