Digital marketing analysis

Requirements: A letter to your brand, written by you and focused on one specific area of their digital marketing that you feel they could improve upon. Your post must do a deep dive into a topic. Expect to spend at least two hours researching, as we’re looking for realistic recommendations and demonstration that you’ve become an expert on this particular topic. Write up at least 750 words.

My brand is Sephora. So please analysis Sephora.