Which crypto exchanges are executing new marketing and advertising strategies?

As a keen observer of the cryptocurrency market, I'm curious to know which crypto exchanges are embarking on novel marketing and advertising strategies. Given the highly competitive nature of this space, it's imperative for exchanges to stay ahead of the curve and innovate in their approach to attracting and retaining users. Could you elaborate on which specific exchanges are implementing new marketing and advertising techniques? Are they focusing on traditional media channels like TV and radio, or are they leaning more towards digital platforms like social media and influencer marketing? Are there any innovative campaigns that have caught your attention? It would be insightful to hear about how these strategies are shaping the competitive landscape in the crypto exchange industry and what impact they're having on user acquisition and retention.