Following #2:
 

In summary, Alexandre Huang's guest speech provided valuable insights into the formation and diffusion of hip-hop culture and its utilization as a marketing strategy. The speech explored how hip-hop has influenced the entertainment and fashion industries, emphasizing the need for responsible and creative appropriation to ensure fruitful outcomes.

The class ended with a lively question-and-answer session, where students engaged in discussions on the cultural impact of hip-hop, the challenges of appropriation, and potential future collaborations.

Overall, the speech, opened the students' minds to the multifaceted influence of hip hop culture and its evolving role in marketing and cultural expression.