This includes information like your usage data and preferences, Gmail messages, G+ profile, photos, videos, browsing history, map searches, docs, or other Google-hosted content.

You can find your YouTube search history from the My Activity page. From there, you can: View your search history. Search your search history to find a specific video.

These cookies are used to remember your preferences and other information, such as your preferred language, how many results you prefer to have shown on a search results page (for example, 10 or 20), and whether you want to have Google's SafeSearch filter turned on.