CLEAN : 20 years on Britain remembers Diana's shock death

The video tutorial covers three main topics: an introduction to the Britannia record, a discussion on police headquarters in China, and concludes with a brief mention of Yahoo.

What is the main topic discussed in the first section of the video?

• The history of Yahoo

• Police operations in China

• Technological advancements

• The Britannia record

Which country's police headquarters is mentioned in the video?

• Brazil

• India

• United States

• China

What is the focus of the second section of the video?

• Yahoo's business strategies

• Police headquarters in China

• The Britannia record

• Global economic trends

Which company is briefly mentioned at the end of the video?

• Amazon

• Yahoo

• Microsoft

• Google

What is the duration of the section discussing Yahoo?

• 4120 milliseconds

• 1380 milliseconds

• 840 milliseconds

• 390 milliseconds